Search a number
-
+
152663420 = 225721323521
BaseRepresentation
bin10010001100101…
…11010101111100
3101122021002211202
421012113111330
5303040212140
623052035032
73532421600
oct1106272574
9348232752
10152663420
11791a1318
1243162a78
13258222b0
14163bd500
15d608915
hex919757c

152663420 has 144 divisors (see below), whose sum is σ = 419888448. Its totient is φ = 46126080.

The previous prime is 152663411. The next prime is 152663429. The reversal of 152663420 is 24366251.

152663420 = 2602 + 2612 + ... + 7802.

It is an interprime number because it is at equal distance from previous prime (152663411) and next prime (152663429).

It is a super-2 number, since 2×1526634202 = 46612239612192800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152663429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 292760 + ... + 293280.

It is an arithmetic number, because the mean of its divisors is an integer number (2915892).

Almost surely, 2152663420 is an apocalyptic number.

152663420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152663420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209944224).

152663420 is an abundant number, since it is smaller than the sum of its proper divisors (267225028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152663420 is a wasteful number, since it uses less digits than its factorization.

152663420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 152663420 is about 12355.7039459514. The cubic root of 152663420 is about 534.4556375239.

It can be divided in two parts, 1526 and 63420, that added together give a palindrome (64946).

The spelling of 152663420 in words is "one hundred fifty-two million, six hundred sixty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 13 14 20 23 26 28 35 46 49 52 65 70 91 92 98 115 130 140 161 182 196 230 245 260 299 322 364 455 460 490 521 598 637 644 805 910 980 1042 1127 1196 1274 1495 1610 1820 2084 2093 2254 2548 2605 2990 3185 3220 3647 4186 4508 5210 5635 5980 6370 6773 7294 8372 10420 10465 11270 11983 12740 13546 14588 14651 18235 20930 22540 23966 25529 27092 29302 33865 36470 41860 47411 47932 51058 58604 59915 67730 72940 73255 83881 94822 102116 119830 127645 135460 146510 155779 167762 189644 237055 239660 255290 293020 311558 331877 335524 419405 474110 510580 587167 623116 663754 778895 838810 948220 1090453 1174334 1327508 1557790 1659385 1677620 2180906 2348668 2935835 3115580 3318770 4361812 5452265 5871670 6637540 7633171 10904530 11743340 15266342 21809060 30532684 38165855 76331710 152663420