Base | Representation |
---|---|
bin | 1000110111001… |
… | …10001000010011 |
3 | 12011220000022220 |
4 | 10123212020103 |
5 | 123012433211 |
6 | 11213232123 |
7 | 1561622145 |
oct | 433461023 |
9 | 164800286 |
10 | 74342931 |
11 | 38a67a43 |
12 | 20a92643 |
13 | 1252c500 |
14 | 9c32c95 |
15 | 67d7806 |
hex | 46e6213 |
74342931 has 24 divisors (see below), whose sum is σ = 107902656. Its totient is φ = 45508320.
The previous prime is 74342911. The next prime is 74342959. The reversal of 74342931 is 13924347.
It is not a de Polignac number, because 74342931 - 210 = 74341907 is a prime.
It is a super-2 number, since 2×743429312 = 11053742779341522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 74342892 and 74342901.
It is not an unprimeable number, because it can be changed into a prime (74342911) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167596 + ... + 168038.
It is an arithmetic number, because the mean of its divisors is an integer number (4495944).
Almost surely, 274342931 is an apocalyptic number.
74342931 is a deficient number, since it is larger than the sum of its proper divisors (33559725).
74342931 is a wasteful number, since it uses less digits than its factorization.
74342931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 803 (or 790 counting only the distinct ones).
The product of its digits is 18144, while the sum is 33.
The square root of 74342931 is about 8622.2346871330. The cubic root of 74342931 is about 420.4811775482.
The spelling of 74342931 in words is "seventy-four million, three hundred forty-two thousand, nine hundred thirty-one".
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