Base | Representation |
---|---|
bin | 1000110101100… |
… | …00101001100010 |
3 | 12011110212211200 |
4 | 10122300221202 |
5 | 122433430444 |
6 | 11204422030 |
7 | 1560020406 |
oct | 432605142 |
9 | 164425750 |
10 | 74123874 |
11 | 38928400 |
12 | 209a7916 |
13 | 124838a6 |
14 | 9bb7106 |
15 | 6792969 |
hex | 46b0a62 |
74123874 has 36 divisors (see below), whose sum is σ = 176534358. Its totient is φ = 22461120.
The previous prime is 74123857. The next prime is 74123911. The reversal of 74123874 is 47832147.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 57108249 + 17015625 = 7557^2 + 4125^2 .
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
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 17 ways as a sum of consecutive naturals, for example, 14839 + ... + 19194.
Almost surely, 274123874 is an apocalyptic number.
74123874 is an abundant number, since it is smaller than the sum of its proper divisors (102410484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74123874 is a wasteful number, since it uses less digits than its factorization.
74123874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34063 (or 34049 counting only the distinct ones).
The product of its digits is 37632, while the sum is 36.
The square root of 74123874 is about 8609.5222863989. The cubic root of 74123874 is about 420.0677781772.
The spelling of 74123874 in words is "seventy-four million, one hundred twenty-three thousand, eight hundred seventy-four".
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