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156028964 = 227132318637
BaseRepresentation
bin10010100110011…
…01000000100100
3101212121002111112
421103031000210
5304420411324
623252124152
73603136640
oct1123150044
9355532445
10156028964
118008a963
1244306658
1326430140
1416a17c20
15da70c0e
hex94cd024

156028964 has 48 divisors (see below), whose sum is σ = 350692608. Its totient is φ = 59038848.

The previous prime is 156028933. The next prime is 156028967. The reversal of 156028964 is 469820651.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (156028967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 947 + ... + 17690.

It is an arithmetic number, because the mean of its divisors is an integer number (7306096).

Almost surely, 2156028964 is an apocalyptic number.

156028964 is a gapful number since it is divisible by the number (14) 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 156028964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175346304).

156028964 is an abundant number, since it is smaller than the sum of its proper divisors (194663644).

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

156028964 is a wasteful number, since it uses less digits than its factorization.

156028964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18684 (or 18682 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 156028964 is about 12491.1554309439. The cubic root of 156028964 is about 538.3545752518.

The spelling of 156028964 in words is "one hundred fifty-six million, twenty-eight thousand, nine hundred sixty-four".

Divisors: 1 2 4 7 13 14 23 26 28 46 52 91 92 161 182 299 322 364 598 644 1196 2093 4186 8372 18637 37274 74548 130459 242281 260918 428651 484562 521836 857302 969124 1695967 1714604 3000557 3391934 5572463 6001114 6783868 11144926 12002228 22289852 39007241 78014482 156028964