Base | Representation |
---|---|
bin | 1000111000111… |
… | …01100100101001 |
3 | 12012022112211210 |
4 | 10130131210221 |
5 | 123042220100 |
6 | 11222143333 |
7 | 1563556215 |
oct | 434354451 |
9 | 165275753 |
10 | 74570025 |
11 | 39102622 |
12 | 20b81b49 |
13 | 125ab99a |
14 | 9c91945 |
15 | 682ec50 |
hex | 471d929 |
74570025 has 48 divisors (see below), whose sum is σ = 129991680. Its totient is φ = 37646400.
The previous prime is 74569987. The next prime is 74570039. The reversal of 74570025 is 52007547.
It is not a de Polignac number, because 74570025 - 27 = 74569897 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 74569974 and 74570001.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239620 + ... + 239930.
It is an arithmetic number, because the mean of its divisors is an integer number (2708160).
Almost surely, 274570025 is an apocalyptic number.
74570025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
74570025 is a deficient number, since it is larger than the sum of its proper divisors (55421655).
74570025 is a wasteful number, since it uses less digits than its factorization.
74570025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 486 (or 481 counting only the distinct ones).
The product of its (nonzero) digits is 9800, while the sum is 30.
The square root of 74570025 is about 8635.3937374042. The cubic root of 74570025 is about 420.9088877405.
The spelling of 74570025 in words is "seventy-four million, five hundred seventy thousand, twenty-five".
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