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520794 = 23228933
BaseRepresentation
bin1111111001001011010
3222110101200
41333021122
5113131134
615055030
74266231
oct1771132
9873350
10520794
1132630a
12211476
13153081
14d7b18
15a4499
hex7f25a

520794 has 12 divisors (see below), whose sum is σ = 1128426. Its totient is φ = 173592.

The previous prime is 520787. The next prime is 520813. The reversal of 520794 is 497025.

520794 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 439569 + 81225 = 663^2 + 285^2 .

It is an unprimeable number.

520794 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14449 + ... + 14484.

2520794 is an apocalyptic number.

520794 is an abundant number, since it is smaller than the sum of its proper divisors (607632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520794 is a wasteful number, since it uses less digits than its factorization.

520794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28941 (or 28938 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 520794 is about 721.6605850398. The cubic root of 520794 is about 80.4554232840.

The spelling of 520794 in words is "five hundred twenty thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 9 18 28933 57866 86799 173598 260397 520794