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162428990 = 2523706213
BaseRepresentation
bin10011010111001…
…11100000111110
3102022122020200112
421223213200332
5313040211430
624041230022
74011423623
oct1153474076
9368566615
10162428990
1183761339
1246492312
1327861239
141780234a
15e3d7195
hex9ae783e

162428990 has 16 divisors (see below), whose sum is σ = 305084448. Its totient is φ = 62146656.

The previous prime is 162428989. The next prime is 162429019. The reversal of 162428990 is 99824261.

It is a congruent number.

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, 352877 + ... + 353336.

It is an arithmetic number, because the mean of its divisors is an integer number (19067778).

Almost surely, 2162428990 is an apocalyptic number.

162428990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

162428990 is a deficient number, since it is larger than the sum of its proper divisors (142655458).

162428990 is a wasteful number, since it uses less digits than its factorization.

162428990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706243.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 162428990 is about 12744.7632382873. The cubic root of 162428990 is about 545.6169429663.

The spelling of 162428990 in words is "one hundred sixty-two million, four hundred twenty-eight thousand, nine hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 706213 1412426 3531065 7062130 16242899 32485798 81214495 162428990