Base | Representation |
---|---|
bin | 101001001001111… |
… | …110101000001010 |
3 | 1210010021002210100 |
4 | 221021332220022 |
5 | 2403230403144 |
6 | 152303230230 |
7 | 23052666051 |
oct | 5111765012 |
9 | 1703232710 |
10 | 690481674 |
11 | 324839113 |
12 | 1732a8376 |
13 | b0088b4c |
14 | 679bb398 |
15 | 40942269 |
hex | 2927ea0a |
690481674 has 24 divisors (see below), whose sum is σ = 1517117472. Its totient is φ = 226918440.
The previous prime is 690481657. The next prime is 690481691. The reversal of 690481674 is 476184096.
It is an interprime number because it is at equal distance from previous prime (690481657) and next prime (690481691).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268864 + ... + 271419.
It is an arithmetic number, because the mean of its divisors is an integer number (63213228).
Almost surely, 2690481674 is an apocalyptic number.
690481674 is an abundant number, since it is smaller than the sum of its proper divisors (826635798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
690481674 is a wasteful number, since it uses less digits than its factorization.
690481674 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 540362 (or 540359 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The square root of 690481674 is about 26277.0179814986. The cubic root of 690481674 is about 883.8611646656.
The spelling of 690481674 in words is "six hundred ninety million, four hundred eighty-one thousand, six hundred seventy-four".
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