Base | Representation |
---|---|
bin | 1000100100100… |
… | …10011110010101 |
3 | 12000022001112201 |
4 | 10102102132111 |
5 | 121401400000 |
6 | 11045044501 |
7 | 1532111050 |
oct | 422223625 |
9 | 160261481 |
10 | 71903125 |
11 | 37650978 |
12 | 200b6731 |
13 | 11b86b38 |
14 | 9799a97 |
15 | 64a496a |
hex | 4492795 |
71903125 has 48 divisors (see below), whose sum is σ = 108743040. Its totient is φ = 46440000.
The previous prime is 71903119. The next prime is 71903137. The reversal of 71903125 is 52130917.
It is not a de Polignac number, because 71903125 - 221 = 69805973 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 71903093 and 71903102.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 415539 + ... + 415711.
It is an arithmetic number, because the mean of its divisors is an integer number (2265480).
Almost surely, 271903125 is an apocalyptic number.
It is an amenable number.
71903125 is a deficient number, since it is larger than the sum of its proper divisors (36839915).
71903125 is an equidigital number, since it uses as much as digits as its factorization.
71903125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 224 (or 204 counting only the distinct ones).
The product of its (nonzero) digits is 1890, while the sum is 28.
The square root of 71903125 is about 8479.5710386788. The cubic root of 71903125 is about 415.8300992739.
The spelling of 71903125 in words is "seventy-one million, nine hundred three thousand, one hundred twenty-five".
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