Base | Representation |
---|---|
bin | 1000101000111… |
… | …10010101000110 |
3 | 12001101011100100 |
4 | 10110132111012 |
5 | 122023212344 |
6 | 11105224530 |
7 | 1540015134 |
oct | 424362506 |
9 | 161334310 |
10 | 72475974 |
11 | 37a022aa |
12 | 20332146 |
13 | 120277bc |
14 | 98a8754 |
15 | 6569569 |
hex | 451e546 |
72475974 has 24 divisors (see below), whose sum is σ = 160374240. Its totient is φ = 23644368.
The previous prime is 72475961. The next prime is 72476003. The reversal of 72475974 is 47957427.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41989 + ... + 43680.
It is an arithmetic number, because the mean of its divisors is an integer number (6682260).
Almost surely, 272475974 is an apocalyptic number.
72475974 is an abundant number, since it is smaller than the sum of its proper divisors (87898266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72475974 is a wasteful number, since it uses less digits than its factorization.
72475974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85724 (or 85721 counting only the distinct ones).
The product of its digits is 493920, while the sum is 45.
The square root of 72475974 is about 8513.2822107575. The cubic root of 72475974 is about 416.9314795201.
The spelling of 72475974 in words is "seventy-two million, four hundred seventy-five thousand, nine hundred seventy-four".
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