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BaseRepresentation
bin10011010100011…
…10111001001101
3102021221210202100
421222032321031
5312442102442
624025345313
74005352422
oct1152167115
9367853670
10162065997
1183533645
1246338239
1327764c52
1417749d49
15e36484c
hex9a8ee4d

162065997 has 12 divisors (see below), whose sum is σ = 238512924. Its totient is φ = 106005120.

The previous prime is 162065987. The next prime is 162066017. The reversal of 162065997 is 799560261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 112911876 + 49154121 = 10626^2 + 7011^2 .

It is not a de Polignac number, because 162065997 - 28 = 162065741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162065987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169404 + ... + 170357.

It is an arithmetic number, because the mean of its divisors is an integer number (19876077).

Almost surely, 2162065997 is an apocalyptic number.

It is an amenable number.

162065997 is a deficient number, since it is larger than the sum of its proper divisors (76446927).

162065997 is a wasteful number, since it uses less digits than its factorization.

162065997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339820 (or 339817 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 162065997 is about 12730.5144043750. The cubic root of 162065997 is about 545.2101952732.

The spelling of 162065997 in words is "one hundred sixty-two million, sixty-five thousand, nine hundred ninety-seven".