56930 has 8 divisors (see below), whose sum is σ = 102492. Its totient is φ = 22768.
The previous prime is 56929. The next prime is 56941. The reversal of 56930 is 3965.
It can be written as a sum of positive squares in 2 ways, for example, as 52441 + 4489 = 229^2 + 67^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 56896 and 56905.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2837 + ... + 2856.
256930 is an apocalyptic number.
56930 is a deficient number, since it is larger than the sum of its proper divisors (45562).
56930 is a wasteful number, since it uses less digits than its factorization.
56930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5700.
The product of its (nonzero) digits is 810, while the sum is 23.
The square root of 56930 is about 238.6000838223. The cubic root of 56930 is about 38.4692507611.
Adding to 56930 its sum of digits (23), we get a triangular number (56953 = T337).
The spelling of 56930 in words is "fifty-six thousand, nine hundred thirty".
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