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30528044 = 227632011
BaseRepresentation
bin111010001110…
…1001000101100
32010102222121022
41310131020230
530303344134
63010153312
7520325021
oct164351054
963388538
1030528044
1116261198
12a282838
13642b441
1440a9548
152a3052e
hex1d1d22c

30528044 has 6 divisors (see below), whose sum is σ = 53424084. Its totient is φ = 15264020.

The previous prime is 30528011. The next prime is 30528119. The reversal of 30528044 is 44082503.

It is a super-2 number, since 2×305280442 = 1863922940931872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3816002 + ... + 3816009.

It is an arithmetic number, because the mean of its divisors is an integer number (8904014).

Almost surely, 230528044 is an apocalyptic number.

It is an amenable number.

30528044 is a deficient number, since it is larger than the sum of its proper divisors (22896040).

30528044 is a wasteful number, since it uses less digits than its factorization.

30528044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7632015 (or 7632013 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 30528044 is about 5525.2189096904. The cubic root of 30528044 is about 312.5357194370.

The spelling of 30528044 in words is "thirty million, five hundred twenty-eight thousand, forty-four".

Divisors: 1 2 4 7632011 15264022 30528044