Base | Representation |
---|---|
bin | 1000010011100… |
… | …11101101010001 |
3 | 11212010002221000 |
4 | 10021303231101 |
5 | 120314224303 |
6 | 10525252213 |
7 | 1504161360 |
oct | 411635521 |
9 | 155102830 |
10 | 69679953 |
11 | 36372642 |
12 | 1b404069 |
13 | 11588c55 |
14 | 937b7d7 |
15 | 61b5da3 |
hex | 4273b51 |
69679953 has 32 divisors (see below), whose sum is σ = 122054400. Its totient is φ = 38441088.
The previous prime is 69679943. The next prime is 69680021. The reversal of 69679953 is 35997696.
It is not a de Polignac number, because 69679953 - 25 = 69679921 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 69679953.
It is not an unprimeable number, because it can be changed into a prime (69679943) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 876 + ... + 11837.
It is an arithmetic number, because the mean of its divisors is an integer number (3814200).
Almost surely, 269679953 is an apocalyptic number.
69679953 is a gapful number since it is divisible by the number (63) formed by its first and last digit.
It is an amenable number.
69679953 is a deficient number, since it is larger than the sum of its proper divisors (52374447).
69679953 is a wasteful number, since it uses less digits than its factorization.
69679953 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12758 (or 12752 counting only the distinct ones).
The product of its digits is 2755620, while the sum is 54.
The square root of 69679953 is about 8347.4518866538. The cubic root of 69679953 is about 411.4994726830.
The spelling of 69679953 in words is "sixty-nine million, six hundred seventy-nine thousand, nine hundred fifty-three".
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