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389023112 = 23151322039
BaseRepresentation
bin10111001100000…
…000010110001000
31000010000102101102
4113030000112020
51244042214422
6102334040532
712432433112
oct2714002610
91003012342
10389023112
1118a658905
12aa349148
136279a1ba
14399483b2
1524246192
hex17300588

389023112 has 16 divisors (see below), whose sum is σ = 734251200. Its totient is φ = 193222800.

The previous prime is 389023111. The next prime is 389023153. The reversal of 389023112 is 211320983.

It is not an unprimeable number, because it can be changed into a prime (389023111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159812 + ... + 162227.

It is an arithmetic number, because the mean of its divisors is an integer number (45890700).

Almost surely, 2389023112 is an apocalyptic number.

It is an amenable number.

389023112 is a deficient number, since it is larger than the sum of its proper divisors (345228088).

389023112 is a wasteful number, since it uses less digits than its factorization.

389023112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322196 (or 322192 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 389023112 is about 19723.6688270717. The cubic root of 389023112 is about 730.0038230863.

The spelling of 389023112 in words is "three hundred eighty-nine million, twenty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 151 302 604 1208 322039 644078 1288156 2576312 48627889 97255778 194511556 389023112