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156966540 = 223510924001
BaseRepresentation
bin10010101101100…
…01111010001100
3101221100201121120
421112301322030
5310140412130
623324200540
73614123253
oct1126617214
9357321546
10156966540
1180670315
1244699150
132669ab13
1416bbd79a
15dba8910
hex95b1e8c

156966540 has 48 divisors (see below), whose sum is σ = 443556960. Its totient is φ = 41472000.

The previous prime is 156966527. The next prime is 156966569. The reversal of 156966540 is 45669651.

156966540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 156966492 and 156966501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5461 + ... + 18540.

It is an arithmetic number, because the mean of its divisors is an integer number (9240770).

Almost surely, 2156966540 is an apocalyptic number.

156966540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156966540 is an abundant number, since it is smaller than the sum of its proper divisors (286590420).

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

156966540 is a wasteful number, since it uses less digits than its factorization.

156966540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24122 (or 24120 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 156966540 is about 12528.6288156366. The cubic root of 156966540 is about 539.4307444220.

The spelling of 156966540 in words is "one hundred fifty-six million, nine hundred sixty-six thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 109 218 327 436 545 654 1090 1308 1635 2180 3270 6540 24001 48002 72003 96004 120005 144006 240010 288012 360015 480020 720030 1440060 2616109 5232218 7848327 10464436 13080545 15696654 26161090 31393308 39241635 52322180 78483270 156966540