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151300240 = 24572132969
BaseRepresentation
bin10010000010010…
…10100010010000
3101112200211220121
421001022202100
5302213101430
623002520024
73515013400
oct1101124220
9345624817
10151300240
1178450123
1242806014
1325465990
1416146800
15d439a7a
hex904a890

151300240 has 120 divisors (see below), whose sum is σ = 440831160. Its totient is φ = 47867904.

The previous prime is 151300229. The next prime is 151300241. The reversal of 151300240 is 42003151.

It can be written as a sum of positive squares in 4 ways, for example, as 7683984 + 143616256 = 2772^2 + 11984^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151300241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49476 + ... + 52444.

It is an arithmetic number, because the mean of its divisors is an integer number (3673593).

Almost surely, 2151300240 is an apocalyptic number.

151300240 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 151300240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220415580).

151300240 is an abundant number, since it is smaller than the sum of its proper divisors (289530920).

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

151300240 is a wasteful number, since it uses less digits than its factorization.

151300240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009 (or 2996 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 151300240 is about 12300.4162531192. The cubic root of 151300240 is about 532.8601045319.

Adding to 151300240 its reverse (42003151), we get a palindrome (193303391).

The spelling of 151300240 in words is "one hundred fifty-one million, three hundred thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 49 52 56 65 70 80 91 98 104 112 130 140 182 196 208 245 260 280 364 392 455 490 520 560 637 728 784 910 980 1040 1274 1456 1820 1960 2548 2969 3185 3640 3920 5096 5938 6370 7280 10192 11876 12740 14845 20783 23752 25480 29690 38597 41566 47504 50960 59380 77194 83132 103915 118760 145481 154388 166264 192985 207830 237520 270179 290962 308776 332528 385970 415660 540358 581924 617552 727405 771940 831320 1080716 1163848 1350895 1454810 1543880 1662640 1891253 2161432 2327696 2701790 2909620 3087760 3782506 4322864 5403580 5819240 7565012 9456265 10807160 11638480 15130024 18912530 21614320 30260048 37825060 75650120 151300240