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157015532 = 22434719423
BaseRepresentation
bin10010101101111…
…01110111101100
3101221110012211002
421112331313230
5310143444112
623325215432
73614416142
oct1126756754
9357405732
10157015532
11806a4103
1244701578
13266b71cb
1416bd3592
15dbb81c2
hex95bddec

157015532 has 24 divisors (see below), whose sum is σ = 287164416. Its totient is φ = 75046608.

The previous prime is 157015517. The next prime is 157015559. The reversal of 157015532 is 235510751.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 157015495 and 157015504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1628 + ... + 17795.

It is an arithmetic number, because the mean of its divisors is an integer number (11965184).

Almost surely, 2157015532 is an apocalyptic number.

It is an amenable number.

157015532 is a deficient number, since it is larger than the sum of its proper divisors (130148884).

157015532 is a wasteful number, since it uses less digits than its factorization.

157015532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19517 (or 19515 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 157015532 is about 12530.5838650879. The cubic root of 157015532 is about 539.4868605046.

The spelling of 157015532 in words is "one hundred fifty-seven million, fifteen thousand, five hundred thirty-two".

Divisors: 1 2 4 43 47 86 94 172 188 2021 4042 8084 19423 38846 77692 835189 912881 1670378 1825762 3340756 3651524 39253883 78507766 157015532