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152990434 = 2234181119
BaseRepresentation
bin10010001111001…
…11001011100010
3101122212201102101
421013213023202
5303131143214
623103041014
73535253152
oct1107471342
9348781371
10152990434
11793a4a83
12432a016a
13259080ac
1416466762
15d670774
hex91e72e2

152990434 has 16 divisors (see below), whose sum is σ = 245306880. Its totient is φ = 71383840.

The previous prime is 152990401. The next prime is 152990447. The reversal of 152990434 is 434099251.

152990434 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 = 152990393 and 152990402.

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, 38674 + ... + 42445.

It is an arithmetic number, because the mean of its divisors is an integer number (15331680).

Almost surely, 2152990434 is an apocalyptic number.

152990434 is a deficient number, since it is larger than the sum of its proper divisors (92316446).

152990434 is a wasteful number, since it uses less digits than its factorization.

152990434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81185.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 152990434 is about 12368.9301881771. The cubic root of 152990434 is about 534.8369771440.

The spelling of 152990434 in words is "one hundred fifty-two million, nine hundred ninety thousand, four hundred thirty-four".

Divisors: 1 2 23 41 46 82 943 1886 81119 162238 1865737 3325879 3731474 6651758 76495217 152990434