Base | Representation |
---|---|
bin | 1101100100111… |
… | …1110100000011 |
3 | 10222011100201222 |
4 | 3121033310003 |
5 | 104034400034 |
6 | 5352345255 |
7 | 1261032020 |
oct | 331176403 |
9 | 128140658 |
10 | 56950019 |
11 | 2a168435 |
12 | 170a522b |
13 | ba4c949 |
14 | 77c6547 |
15 | 4eee12e |
hex | 364fd03 |
56950019 has 8 divisors (see below), whose sum is σ = 65414400. Its totient is φ = 48567816.
The previous prime is 56949979. The next prime is 56950097. The reversal of 56950019 is 91005965.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-56950019 is a prime.
It is a super-2 number, since 2×569500192 = 6486609328200722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (56950919) 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, 19049 + ... + 21834.
It is an arithmetic number, because the mean of its divisors is an integer number (8176800).
Almost surely, 256950019 is an apocalyptic number.
56950019 is a deficient number, since it is larger than the sum of its proper divisors (8464381).
56950019 is a wasteful number, since it uses less digits than its factorization.
56950019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41089.
The product of its (nonzero) digits is 12150, while the sum is 35.
The square root of 56950019 is about 7546.5236367482. The cubic root of 56950019 is about 384.7375937216.
The spelling of 56950019 in words is "fifty-six million, nine hundred fifty thousand, nineteen".
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