Base | Representation |
---|---|
bin | 1000111011110… |
… | …10110111000011 |
3 | 12020000221222212 |
4 | 10131322313003 |
5 | 123141432011 |
6 | 11234252335 |
7 | 1600040222 |
oct | 435726703 |
9 | 166027885 |
10 | 74952131 |
11 | 39343711 |
12 | 211270ab |
13 | 126b3897 |
14 | 9d50cb9 |
15 | 68a808b |
hex | 477adc3 |
74952131 has 8 divisors (see below), whose sum is σ = 79107600. Its totient is φ = 70817760.
The previous prime is 74952091. The next prime is 74952149. The reversal of 74952131 is 13125947.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 74952131 - 26 = 74952067 is a prime.
It is a super-2 number, since 2×749521312 = 11235643882882322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (74952181) 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, 2321 + ... + 12461.
It is an arithmetic number, because the mean of its divisors is an integer number (9888450).
Almost surely, 274952131 is an apocalyptic number.
74952131 is a deficient number, since it is larger than the sum of its proper divisors (4155469).
74952131 is a wasteful number, since it uses less digits than its factorization.
74952131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10549.
The product of its digits is 7560, while the sum is 32.
The square root of 74952131 is about 8657.4898787120. The cubic root of 74952131 is about 421.6265929376.
The spelling of 74952131 in words is "seventy-four million, nine hundred fifty-two thousand, one hundred thirty-one".
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