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152359420 = 22531245741
BaseRepresentation
bin10010001010011…
…01000111111100
3101121200122211111
421011031013330
5303001000140
623041331404
73530014363
oct1105150774
9347618744
10152359420
1179003984
1243036b64
1325746b05
14163407da
15d5987ea
hex914d1fc

152359420 has 24 divisors (see below), whose sum is σ = 330277248. Its totient is φ = 58977600.

The previous prime is 152359391. The next prime is 152359421. The reversal of 152359420 is 24953251.

152359420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152359421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122251 + ... + 123490.

It is an arithmetic number, because the mean of its divisors is an integer number (13761552).

Almost surely, 2152359420 is an apocalyptic number.

152359420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152359420 is an abundant number, since it is smaller than the sum of its proper divisors (177917828).

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

152359420 is a wasteful number, since it uses less digits than its factorization.

152359420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245781 (or 245779 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 152359420 is about 12343.3958050449. The cubic root of 152359420 is about 534.1006463961.

The spelling of 152359420 in words is "one hundred fifty-two million, three hundred fifty-nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 245741 491482 982964 1228705 2457410 4914820 7617971 15235942 30471884 38089855 76179710 152359420