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30524 = 2213587
BaseRepresentation
bin111011100111100
31112212112
413130330
51434044
6353152
7154664
oct73474
945775
1030524
1120a2a
12157b8
1310b80
14b1a4
15909e
hex773c

30524 has 12 divisors (see below), whose sum is σ = 57624. Its totient is φ = 14064.

The previous prime is 30517. The next prime is 30529. The reversal of 30524 is 42503.

It is a junction number, because it is equal to n+sod(n) for n = 30499 and 30508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242 + ... + 345.

It is an arithmetic number, because the mean of its divisors is an integer number (4802).

230524 is an apocalyptic number.

It is an amenable number.

30524 is a deficient number, since it is larger than the sum of its proper divisors (27100).

30524 is a wasteful number, since it uses less digits than its factorization.

30524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 30524 is about 174.7111902541. The cubic root of 30524 is about 31.2521918463.

The spelling of 30524 in words is "thirty thousand, five hundred twenty-four".

Divisors: 1 2 4 13 26 52 587 1174 2348 7631 15262 30524