Base | Representation |
---|---|
bin | 1000101000000… |
… | …01001111111100 |
3 | 12001011002221201 |
4 | 10110001033330 |
5 | 122010404420 |
6 | 11102505244 |
7 | 1536010642 |
oct | 424011774 |
9 | 161132851 |
10 | 72356860 |
11 | 37930864 |
12 | 20295224 |
13 | 11cb5514 |
14 | 9877192 |
15 | 654410a |
hex | 45013fc |
72356860 has 12 divisors (see below), whose sum is σ = 151949448. Its totient is φ = 28942736.
The previous prime is 72356857. The next prime is 72356861. The reversal of 72356860 is 6865327.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72356861) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1808902 + ... + 1808941.
It is an arithmetic number, because the mean of its divisors is an integer number (12662454).
Almost surely, 272356860 is an apocalyptic number.
It is an amenable number.
72356860 is an abundant number, since it is smaller than the sum of its proper divisors (79592588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72356860 is a wasteful number, since it uses less digits than its factorization.
72356860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3617852 (or 3617850 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 37.
The square root of 72356860 is about 8506.2835598162. The cubic root of 72356860 is about 416.7029458189.
The spelling of 72356860 in words is "seventy-two million, three hundred fifty-six thousand, eight hundred sixty".
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