Base | Representation |
---|---|
bin | 1000100010011… |
… | …10110010000100 |
3 | 11222202222012122 |
4 | 10101032302010 |
5 | 121314011420 |
6 | 11035105112 |
7 | 1526544515 |
oct | 421166204 |
9 | 158688178 |
10 | 71625860 |
11 | 37481629 |
12 | 1bba2198 |
13 | 11aba887 |
14 | 9726a0c |
15 | 644c725 |
hex | 444ec84 |
71625860 has 12 divisors (see below), whose sum is σ = 150414348. Its totient is φ = 28650336.
The previous prime is 71625859. The next prime is 71625889. The reversal of 71625860 is 6852617.
It can be written as a sum of positive squares in 2 ways, for example, as 34269316 + 37356544 = 5854^2 + 6112^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 71625860.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1790627 + ... + 1790666.
It is an arithmetic number, because the mean of its divisors is an integer number (12534529).
Almost surely, 271625860 is an apocalyptic number.
It is an amenable number.
71625860 is an abundant number, since it is smaller than the sum of its proper divisors (78788488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71625860 is a wasteful number, since it uses less digits than its factorization.
71625860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3581302 (or 3581300 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 35.
The square root of 71625860 is about 8463.2062482253. The cubic root of 71625860 is about 415.2949178663.
The spelling of 71625860 in words is "seventy-one million, six hundred twenty-five thousand, eight hundred sixty".
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