Base | Representation |
---|---|
bin | 1000111001111… |
… | …00000100101101 |
3 | 12012112220012220 |
4 | 10130330010231 |
5 | 123110214312 |
6 | 11224545553 |
7 | 1564616361 |
oct | 434740455 |
9 | 165486186 |
10 | 74694957 |
11 | 39188477 |
12 | 210222b9 |
13 | 126237cc |
14 | 9cc52a1 |
15 | 6856c8c |
hex | 473c12d |
74694957 has 16 divisors (see below), whose sum is σ = 105642432. Its totient is φ = 46782720.
The previous prime is 74694931. The next prime is 74694959. The reversal of 74694957 is 75949647.
It is not a de Polignac number, because 74694957 - 220 = 73646381 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74694959) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 39207 + ... + 41067.
It is an arithmetic number, because the mean of its divisors is an integer number (6602652).
Almost surely, 274694957 is an apocalyptic number.
It is an amenable number.
74694957 is a deficient number, since it is larger than the sum of its proper divisors (30947475).
74694957 is a wasteful number, since it uses less digits than its factorization.
74694957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2668.
The product of its digits is 1905120, while the sum is 51.
The square root of 74694957 is about 8642.6244277997. The cubic root of 74694957 is about 421.1438152471.
It can be divided in two parts, 746 and 94957, that added together give a triangular number (95703 = T437).
The spelling of 74694957 in words is "seventy-four million, six hundred ninety-four thousand, nine hundred fifty-seven".
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