Base | Representation |
---|---|
bin | 10100000011110… |
… | …10001000101001 |
3 | 102201122010101001 |
4 | 22001322020221 |
5 | 321034204200 |
6 | 24410355001 |
7 | 4112202106 |
oct | 1201721051 |
9 | 381563331 |
10 | 168272425 |
11 | 86a92622 |
12 | 4842ba61 |
13 | 28b28ba9 |
14 | 184c3aad |
15 | eb8d76a |
hex | a07a229 |
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".
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