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30894484 = 2241257733
BaseRepresentation
bin111010111011…
…0100110010100
32011010121021011
41311312212110
530402110414
63022102004
7523412245
oct165664624
964117234
1030894484
1116491535
12a41a904
13652917a
144162ccc
152aa3dc4
hex1d76994

30894484 has 24 divisors (see below), whose sum is σ = 55675368. Its totient is φ = 14991360.

The previous prime is 30894469. The next prime is 30894517. The reversal of 30894484 is 48449803.

It can be written as a sum of positive squares in 4 ways, for example, as 14653584 + 16240900 = 3828^2 + 4030^2 .

It is a congruent number.

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, 41782 + ... + 42514.

It is an arithmetic number, because the mean of its divisors is an integer number (2319807).

Almost surely, 230894484 is an apocalyptic number.

It is an amenable number.

30894484 is a deficient number, since it is larger than the sum of its proper divisors (24780884).

30894484 is a wasteful number, since it uses less digits than its factorization.

30894484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 30894484 is about 5558.2806694157. The cubic root of 30894484 is about 313.7812451225.

The spelling of 30894484 in words is "thirty million, eight hundred ninety-four thousand, four hundred eighty-four".

Divisors: 1 2 4 41 82 164 257 514 733 1028 1466 2932 10537 21074 30053 42148 60106 120212 188381 376762 753524 7723621 15447242 30894484