Base | Representation |
---|---|
bin | 1101100101101… |
… | …1011100010110 |
3 | 10222020210002020 |
4 | 3121123130112 |
5 | 104042411104 |
6 | 5353354010 |
7 | 1261320630 |
oct | 331333426 |
9 | 128223066 |
10 | 56997654 |
11 | 2a1a01aa |
12 | 17108906 |
13 | ba6852c |
14 | 77d9a50 |
15 | 500d2d9 |
hex | 365b716 |
56997654 has 32 divisors (see below), whose sum is σ = 134486016. Its totient is φ = 15759360.
The previous prime is 56997653. The next prime is 56997659. The reversal of 56997654 is 45679965.
It is a junction number, because it is equal to n+sod(n) for n = 56997597 and 56997606.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56997653) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20587 + ... + 23190.
It is an arithmetic number, because the mean of its divisors is an integer number (4202688).
Almost surely, 256997654 is an apocalyptic number.
56997654 is an abundant number, since it is smaller than the sum of its proper divisors (77488362).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56997654 is a wasteful number, since it uses less digits than its factorization.
56997654 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43820.
The product of its digits is 2041200, while the sum is 51.
The square root of 56997654 is about 7549.6790660266. The cubic root of 56997654 is about 384.8448331818.
The spelling of 56997654 in words is "fifty-six million, nine hundred ninety-seven thousand, six hundred fifty-four".
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