Base | Representation |
---|---|
bin | 1000110101111… |
… | …11000011011000 |
3 | 12011120212202210 |
4 | 10122333003120 |
5 | 122442322442 |
6 | 11205555120 |
7 | 1560354411 |
oct | 432770330 |
9 | 164525683 |
10 | 74182872 |
11 | 38968765 |
12 | 20a15aa0 |
13 | 124a46ba |
14 | 9bd0808 |
15 | 67a519c |
hex | 46bf0d8 |
74182872 has 32 divisors (see below), whose sum is σ = 186439680. Its totient is φ = 24596640.
The previous prime is 74182853. The next prime is 74182877. The reversal of 74182872 is 27828147.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 74182872.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74182877) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3508 + ... + 12675.
It is an arithmetic number, because the mean of its divisors is an integer number (5826240).
Almost surely, 274182872 is an apocalyptic number.
It is an amenable number.
74182872 is an abundant number, since it is smaller than the sum of its proper divisors (112256808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74182872 is a wasteful number, since it uses less digits than its factorization.
74182872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16383 (or 16379 counting only the distinct ones).
The product of its digits is 50176, while the sum is 39.
The square root of 74182872 is about 8612.9479273940. The cubic root of 74182872 is about 420.1791979087.
The spelling of 74182872 in words is "seventy-four million, one hundred eighty-two thousand, eight hundred seventy-two".
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