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30968824 = 233871103
BaseRepresentation
bin111011000100…
…0101111111000
32011021101020111
41312020233320
530412000244
63023434104
7524142055
oct166105770
964241214
1030968824
1116532377
12a455934
136553c63
14418202c
152abae34
hex1d88bf8

30968824 has 8 divisors (see below), whose sum is σ = 58066560. Its totient is φ = 15484408.

The previous prime is 30968813. The next prime is 30968831. The reversal of 30968824 is 42886903.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935544 + ... + 1935559.

It is an arithmetic number, because the mean of its divisors is an integer number (7258320).

Almost surely, 230968824 is an apocalyptic number.

It is an amenable number.

30968824 is a deficient number, since it is larger than the sum of its proper divisors (27097736).

30968824 is a wasteful number, since it uses less digits than its factorization.

30968824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871109 (or 3871105 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 30968824 is about 5564.9639711322. The cubic root of 30968824 is about 314.0327227315.

The spelling of 30968824 in words is "thirty million, nine hundred sixty-eight thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 3871103 7742206 15484412 30968824