Base | Representation |
---|---|
bin | 1000010001110… |
… | …11100011110000 |
3 | 11211200102110001 |
4 | 10020323203300 |
5 | 120234344333 |
6 | 10520315344 |
7 | 1502213020 |
oct | 410734360 |
9 | 154612401 |
10 | 69449968 |
11 | 36225875 |
12 | 1b312b54 |
13 | 11508373 |
14 | 931ba80 |
15 | 616cb7d |
hex | 423b8f0 |
69449968 has 40 divisors (see below), whose sum is σ = 154311552. Its totient is φ = 29661888.
The previous prime is 69449957. The next prime is 69449977. The reversal of 69449968 is 86994496.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37971 + ... + 39757.
Almost surely, 269449968 is an apocalyptic number.
It is an amenable number.
69449968 is an abundant number, since it is smaller than the sum of its proper divisors (84861584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69449968 is a wasteful number, since it uses less digits than its factorization.
69449968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2149 (or 2143 counting only the distinct ones).
The product of its digits is 3359232, while the sum is 55.
The square root of 69449968 is about 8333.6647400768. The cubic root of 69449968 is about 411.0462432403.
The spelling of 69449968 in words is "sixty-nine million, four hundred forty-nine thousand, nine hundred sixty-eight".
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