Base | Representation |
---|---|
bin | 1000001111011… |
… | …10001001100001 |
3 | 11211002022111200 |
4 | 10013232021201 |
5 | 120144223042 |
6 | 10505431413 |
7 | 1466422431 |
oct | 407561141 |
9 | 154068450 |
10 | 69132897 |
11 | 36029629 |
12 | 1b19b569 |
13 | 11426c52 |
14 | 92782c1 |
15 | 6108c4c |
hex | 41ee261 |
69132897 has 24 divisors (see below), whose sum is σ = 109385640. Its totient is φ = 41879040.
The previous prime is 69132893. The next prime is 69132907. The reversal of 69132897 is 79823196.
It can be written as a sum of positive squares in 4 ways, for example, as 13242321 + 55890576 = 3639^2 + 7476^2 .
It is not a de Polignac number, because 69132897 - 22 = 69132893 is a prime.
It is a super-2 number, since 2×691328972 = 9558714895225218, which contains 22 as substring.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (69132893) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3354 + ... + 12227.
It is an arithmetic number, because the mean of its divisors is an integer number (4557735).
Almost surely, 269132897 is an apocalyptic number.
It is an amenable number.
69132897 is a deficient number, since it is larger than the sum of its proper divisors (40252743).
69132897 is a wasteful number, since it uses less digits than its factorization.
69132897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15633 (or 15630 counting only the distinct ones).
The product of its digits is 163296, while the sum is 45.
The square root of 69132897 is about 8314.6194741551. The cubic root of 69132897 is about 410.4197505685.
The spelling of 69132897 in words is "sixty-nine million, one hundred thirty-two thousand, eight hundred ninety-seven".
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