Base | Representation |
---|---|
bin | 1000110110011… |
… | …10010000000101 |
3 | 12011201001011110 |
4 | 10123032100011 |
5 | 123001321000 |
6 | 11211155233 |
7 | 1561034043 |
oct | 433162005 |
9 | 164631143 |
10 | 74245125 |
11 | 38a00509 |
12 | 20a45b19 |
13 | 124c6b36 |
14 | 9c09393 |
15 | 67b8850 |
hex | 46ce405 |
74245125 has 32 divisors (see below), whose sum is σ = 126906624. Its totient is φ = 38520000.
The previous prime is 74245123. The next prime is 74245139. The reversal of 74245125 is 52154247.
It is not a de Polignac number, because 74245125 - 21 = 74245123 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 74245092 and 74245101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74245121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11200 + ... + 16550.
It is an arithmetic number, because the mean of its divisors is an integer number (3965832).
Almost surely, 274245125 is an apocalyptic number.
74245125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
74245125 is a deficient number, since it is larger than the sum of its proper divisors (52661499).
74245125 is a wasteful number, since it uses less digits than its factorization.
74245125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5406 (or 5396 counting only the distinct ones).
The product of its digits is 11200, while the sum is 30.
The square root of 74245125 is about 8616.5610889728. The cubic root of 74245125 is about 420.2967007830.
The spelling of 74245125 in words is "seventy-four million, two hundred forty-five thousand, one hundred twenty-five".
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