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30056424 = 23310191229
BaseRepresentation
bin111001010100…
…1111111101000
32002120000122220
41302221333220
530143301144
62552114040
7513322026
oct162517750
962500586
1030056424
1115a69922
12a095920
1362c4888
143dc5716
15298a919
hex1ca9fe8

30056424 has 32 divisors (see below), whose sum is σ = 75276000. Its totient is φ = 10000832.

The previous prime is 30056417. The next prime is 30056443. The reversal of 30056424 is 42465003.

It is a super-4 number, since 4×300564244 (a number of 31 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 30056394 and 30056403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23842 + ... + 25070.

It is an arithmetic number, because the mean of its divisors is an integer number (2352375).

Almost surely, 230056424 is an apocalyptic number.

It is an amenable number.

30056424 is an abundant number, since it is smaller than the sum of its proper divisors (45219576).

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

30056424 is a wasteful number, since it uses less digits than its factorization.

30056424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 30056424 is about 5482.3739383592. The cubic root of 30056424 is about 310.9179313577.

The spelling of 30056424 in words is "thirty million, fifty-six thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 1019 1229 2038 2458 3057 3687 4076 4916 6114 7374 8152 9832 12228 14748 24456 29496 1252351 2504702 3757053 5009404 7514106 10018808 15028212 30056424