Base | Representation |
---|---|
bin | 1000101001111… |
… | …10110001100110 |
3 | 12001121220122102 |
4 | 10110332301212 |
5 | 122041440440 |
6 | 11112132102 |
7 | 1541110445 |
oct | 424766146 |
9 | 161556572 |
10 | 72608870 |
11 | 37a93134 |
12 | 20397032 |
13 | 12073139 |
14 | 9900d5c |
15 | 6593b15 |
hex | 453ec66 |
72608870 has 32 divisors (see below), whose sum is σ = 139968000. Its totient is φ = 27022336.
The previous prime is 72608869. The next prime is 72608873. The reversal of 72608870 is 7880627.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72608873) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12731 + ... + 17529.
It is an arithmetic number, because the mean of its divisors is an integer number (4374000).
Almost surely, 272608870 is an apocalyptic number.
72608870 is a deficient number, since it is larger than the sum of its proper divisors (67359130).
72608870 is a wasteful number, since it uses less digits than its factorization.
72608870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4912.
The product of its (nonzero) digits is 37632, while the sum is 38.
The square root of 72608870 is about 8521.0838512480. The cubic root of 72608870 is about 417.1861602121.
The spelling of 72608870 in words is "seventy-two million, six hundred eight thousand, eight hundred seventy".
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