Base | Representation |
---|---|
bin | 1101100100111… |
… | …1110000000001 |
3 | 10222011100101102 |
4 | 3121033300001 |
5 | 104034343021 |
6 | 5352344145 |
7 | 1261031201 |
oct | 331176001 |
9 | 128140342 |
10 | 56949761 |
11 | 2a168220 |
12 | 170a5055 |
13 | ba4c7ab |
14 | 77c6401 |
15 | 4eee00b |
hex | 364fc01 |
56949761 has 8 divisors (see below), whose sum is σ = 62602848. Its totient is φ = 51376000.
The previous prime is 56949751. The next prime is 56949769. The reversal of 56949761 is 16794965.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 56949761 - 210 = 56948737 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (56949769) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18320 + ... + 21201.
It is an arithmetic number, because the mean of its divisors is an integer number (7825356).
Almost surely, 256949761 is an apocalyptic number.
It is an amenable number.
56949761 is a deficient number, since it is larger than the sum of its proper divisors (5653087).
56949761 is a wasteful number, since it uses less digits than its factorization.
56949761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39663.
The product of its digits is 408240, while the sum is 47.
The square root of 56949761 is about 7546.5065427653. The cubic root of 56949761 is about 384.7370127300.
The spelling of 56949761 in words is "fifty-six million, nine hundred forty-nine thousand, seven hundred sixty-one".
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