Base | Representation |
---|---|
bin | 101001001011101… |
… | …000111000110010 |
3 | 1210011002012211100 |
4 | 221023220320302 |
5 | 2403333320124 |
6 | 152320425230 |
7 | 23056461012 |
oct | 5113507062 |
9 | 1704065740 |
10 | 690916914 |
11 | 325006116 |
12 | 173478216 |
13 | b01abc9c |
14 | 67a91c42 |
15 | 409cb1c9 |
hex | 292e8e32 |
690916914 has 12 divisors (see below), whose sum is σ = 1496986686. Its totient is φ = 230305632.
The previous prime is 690916867. The next prime is 690916921. The reversal of 690916914 is 419619096.
It can be written as a sum of positive squares in only one way, i.e., 675116289 + 15800625 = 25983^2 + 3975^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 690916914.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19192119 + ... + 19192154.
Almost surely, 2690916914 is an apocalyptic number.
690916914 is an abundant number, since it is smaller than the sum of its proper divisors (806069772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
690916914 is a wasteful number, since it uses less digits than its factorization.
690916914 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38384281 (or 38384278 counting only the distinct ones).
The product of its (nonzero) digits is 104976, while the sum is 45.
The square root of 690916914 is about 26285.2984384808. The cubic root of 690916914 is about 884.0468374343.
The spelling of 690916914 in words is "six hundred ninety million, nine hundred sixteen thousand, nine hundred fourteen".
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