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168272425 = 5259114083
BaseRepresentation
bin10100000011110…
…10001000101001
3102201122010101001
422001322020221
5321034204200
624410355001
74112202106
oct1201721051
9381563331
10168272425
1186a92622
124842ba61
1328b28ba9
14184c3aad
15eb8d76a
hexa07a229

168272425 has 12 divisors (see below), whose sum is σ = 212196240. Its totient is φ = 132335120.

The previous prime is 168272387. The next prime is 168272431. The reversal of 168272425 is 524272861.

It is a happy number.

It is not a de Polignac number, because 168272425 - 217 = 168141353 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55567 + ... + 58516.

It is an arithmetic number, because the mean of its divisors is an integer number (17683020).

Almost surely, 2168272425 is an apocalyptic number.

It is an amenable number.

168272425 is a deficient number, since it is larger than the sum of its proper divisors (43923815).

168272425 is a wasteful number, since it uses less digits than its factorization.

168272425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114152 (or 114147 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 168272425 is about 12971.9861624965. The cubic root of 168272425 is about 552.0829281434.

The spelling of 168272425 in words is "one hundred sixty-eight million, two hundred seventy-two thousand, four hundred twenty-five".

Divisors: 1 5 25 59 295 1475 114083 570415 2852075 6730897 33654485 168272425