Base | Representation |
---|---|
bin | 1000111100100… |
… | …00000100010101 |
3 | 12020012101011010 |
4 | 10132100010111 |
5 | 123202221442 |
6 | 11240202433 |
7 | 1600551405 |
oct | 436200425 |
9 | 166171133 |
10 | 75038997 |
11 | 393a2a00 |
12 | 21169419 |
13 | 12714297 |
14 | 9d74805 |
15 | 68c3b9c |
hex | 4790115 |
75038997 has 36 divisors (see below), whose sum is σ = 113775648. Its totient is φ = 43956000.
The previous prime is 75038983. The next prime is 75039001. The reversal of 75038997 is 79983057.
It is not a de Polignac number, because 75038997 - 24 = 75038981 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75038917) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 496872 + ... + 497022.
Almost surely, 275038997 is an apocalyptic number.
It is an amenable number.
75038997 is a deficient number, since it is larger than the sum of its proper divisors (38736651).
75038997 is a wasteful number, since it uses less digits than its factorization.
75038997 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250 (or 202 counting only the distinct ones).
The product of its (nonzero) digits is 476280, while the sum is 48.
The square root of 75038997 is about 8662.5052380937. The cubic root of 75038997 is about 421.7894118610.
The spelling of 75038997 in words is "seventy-five million, thirty-eight thousand, nine hundred ninety-seven".
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