Search a number
-
+
495151620 = 2235163197257
BaseRepresentation
bin11101100000110…
…110101000000100
31021111201022022220
4131200312220010
52003224322440
6121044452340
715161501505
oct3540665004
91244638286
10495151620
11234555817
121199aa0b0
137b778332
1449a92bac
152d70b8d0
hex1d836a04

495151620 has 96 divisors (see below), whose sum is σ = 1407466368. Its totient is φ = 130056192.

The previous prime is 495151619. The next prime is 495151621. The reversal of 495151620 is 26151594.

It is an interprime number because it is at equal distance from previous prime (495151619) and next prime (495151621).

It is not an unprimeable number, because it can be changed into a prime (495151621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1926532 + ... + 1926788.

It is an arithmetic number, because the mean of its divisors is an integer number (14661108).

Almost surely, 2495151620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495151620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703733184).

495151620 is an abundant number, since it is smaller than the sum of its proper divisors (912314748).

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

495151620 is a wasteful number, since it uses less digits than its factorization.

495151620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 495151620 is about 22252.0026065071. The cubic root of 495151620 is about 791.1267476961.

The spelling of 495151620 in words is "four hundred ninety-five million, one hundred fifty-one thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 163 197 257 326 394 489 514 591 652 771 788 815 978 985 1028 1182 1285 1542 1630 1956 1970 2364 2445 2570 2955 3084 3260 3855 3940 4890 5140 5910 7710 9780 11820 15420 32111 41891 50629 64222 83782 96333 101258 125673 128444 151887 160555 167564 192666 202516 209455 251346 253145 303774 321110 385332 418910 481665 502692 506290 607548 628365 642220 759435 837820 963330 1012580 1256730 1518870 1926660 2513460 3037740 8252527 16505054 24757581 33010108 41262635 49515162 82525270 99030324 123787905 165050540 247575810 495151620