Base | Representation |
---|---|
bin | 1000100010110… |
… | …10000100111101 |
3 | 11222212022200011 |
4 | 10101122010331 |
5 | 121322002000 |
6 | 11040103221 |
7 | 1530126430 |
oct | 421320475 |
9 | 158768604 |
10 | 71672125 |
11 | 37503368 |
12 | 20004b11 |
13 | 11b05955 |
14 | 9739817 |
15 | 645b2ba |
hex | 445a13d |
71672125 has 32 divisors (see below), whose sum is σ = 103364352. Its totient is φ = 48600000.
The previous prime is 71672089. The next prime is 71672173. The reversal of 71672125 is 52127617.
It is not a de Polignac number, because 71672125 - 211 = 71670077 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87970 + ... + 88780.
It is an arithmetic number, because the mean of its divisors is an integer number (3230136).
Almost surely, 271672125 is an apocalyptic number.
It is an amenable number.
71672125 is a deficient number, since it is larger than the sum of its proper divisors (31692227).
71672125 is a wasteful number, since it uses less digits than its factorization.
71672125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 934 (or 924 counting only the distinct ones).
The product of its digits is 5880, while the sum is 31.
The square root of 71672125 is about 8465.9391091597. The cubic root of 71672125 is about 415.3843152059.
The spelling of 71672125 in words is "seventy-one million, six hundred seventy-two thousand, one hundred twenty-five".
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