Base | Representation |
---|---|
bin | 1000111011101… |
… | …00001111100001 |
3 | 12012222120210221 |
4 | 10131310033201 |
5 | 123140100100 |
6 | 11233523041 |
7 | 1566565210 |
oct | 435641741 |
9 | 165876727 |
10 | 74925025 |
11 | 3932530a |
12 | 21113481 |
13 | 126a4446 |
14 | 9d45077 |
15 | 68a001a |
hex | 47743e1 |
74925025 has 12 divisors (see below), whose sum is σ = 106179712. Its totient is φ = 51377040.
The previous prime is 74925023. The next prime is 74925029. The reversal of 74925025 is 52052947.
It is not a de Polignac number, because 74925025 - 21 = 74925023 is a prime.
It is a super-2 number, since 2×749250252 = 11227518742501250, which contains 22 as substring.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74925023) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213897 + ... + 214246.
Almost surely, 274925025 is an apocalyptic number.
It is an amenable number.
74925025 is a deficient number, since it is larger than the sum of its proper divisors (31254687).
74925025 is a wasteful number, since it uses less digits than its factorization.
74925025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 428160 (or 428155 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 34.
The square root of 74925025 is about 8655.9242718499. The cubic root of 74925025 is about 421.5757605452.
The spelling of 74925025 in words is "seventy-four million, nine hundred twenty-five thousand, twenty-five".
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