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30996884 = 2220273823
BaseRepresentation
bin111011000111…
…1100110010100
32011022210201202
41312033212110
530413400014
63024212032
7524316632
oct166174624
964283652
1030996884
1116551466
12a46a018
136563969
14418c352
152ac43de
hex1d8f994

30996884 has 12 divisors (see below), whose sum is σ = 54285504. Its totient is φ = 15486744.

The previous prime is 30996881. The next prime is 30996887. The reversal of 30996884 is 48869903.

It is an interprime number because it is at equal distance from previous prime (30996881) and next prime (30996887).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30996881) 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, 6197 + ... + 10019.

It is an arithmetic number, because the mean of its divisors is an integer number (4523792).

Almost surely, 230996884 is an apocalyptic number.

It is an amenable number.

30996884 is a deficient number, since it is larger than the sum of its proper divisors (23288620).

30996884 is a wasteful number, since it uses less digits than its factorization.

30996884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5854 (or 5852 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 30996884 is about 5567.4845307374. The cubic root of 30996884 is about 314.1275395724.

The spelling of 30996884 in words is "thirty million, nine hundred ninety-six thousand, eight hundred eighty-four".

Divisors: 1 2 4 2027 3823 4054 7646 8108 15292 7749221 15498442 30996884