Base | Representation |
---|---|
bin | 1000010101111… |
… | …11100110010000 |
3 | 11212200220022212 |
4 | 10022333212100 |
5 | 120404201200 |
6 | 10540051252 |
7 | 1506624545 |
oct | 412774620 |
9 | 155626285 |
10 | 69990800 |
11 | 36565140 |
12 | 1b533b28 |
13 | 11667599 |
14 | 941cbcc |
15 | 6228035 |
hex | 42bf990 |
69990800 has 60 divisors (see below), whose sum is σ = 183451056. Its totient is φ = 25449600.
The previous prime is 69990797. The next prime is 69990827. The reversal of 69990800 is 809996.
It is a super-3 number, since 3×699908003 (a number of 25 digits) contains 333 as substring.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 3554 + ... + 12353.
Almost surely, 269990800 is an apocalyptic number.
It is an amenable number.
69990800 is an abundant number, since it is smaller than the sum of its proper divisors (113460256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69990800 is a wasteful number, since it uses less digits than its factorization.
69990800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15936 (or 15925 counting only the distinct ones).
The product of its (nonzero) digits is 34992, while the sum is 41.
The square root of 69990800 is about 8366.0504421142. The cubic root of 69990800 is about 412.1104740352.
The spelling of 69990800 in words is "sixty-nine million, nine hundred ninety thousand, eight hundred".
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