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492225128 = 23431430887
BaseRepresentation
bin11101010101101…
…100001001101000
31021022012121221022
4131111230021220
52002002201003
6120502032012
715124562453
oct3525541150
91238177838
10492225128
1123293702a
12118a18608
137ac92295
144953049a
152d32e738
hex1d56c268

492225128 has 16 divisors (see below), whose sum is σ = 944386080. Its totient is φ = 240388848.

The previous prime is 492225127. The next prime is 492225133. The reversal of 492225128 is 821522294.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (492225127) 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, 715100 + ... + 715787.

It is an arithmetic number, because the mean of its divisors is an integer number (59024130).

Almost surely, 2492225128 is an apocalyptic number.

It is an amenable number.

492225128 is a deficient number, since it is larger than the sum of its proper divisors (452160952).

492225128 is a wasteful number, since it uses less digits than its factorization.

492225128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430936 (or 1430932 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 492225128 is about 22186.1472094638. The cubic root of 492225128 is about 789.5650695735.

The spelling of 492225128 in words is "four hundred ninety-two million, two hundred twenty-five thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 43 86 172 344 1430887 2861774 5723548 11447096 61528141 123056282 246112564 492225128