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30892916 = 2227128499
BaseRepresentation
bin111010111011…
…0001101110100
32011010112010002
41311312031310
530402033131
63022050432
7523404545
oct165661564
964115102
1030892916
111649033a
12a419a18
136528542
1441624cc
152aa36cb
hex1d76374

30892916 has 12 divisors (see below), whose sum is σ = 54264000. Its totient is φ = 15388920.

The previous prime is 30892909. The next prime is 30892969. The reversal of 30892916 is 61929803.

It is a self number, because there is not a number n which added to its sum of digits gives 30892916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13166 + ... + 15333.

It is an arithmetic number, because the mean of its divisors is an integer number (4522000).

Almost surely, 230892916 is an apocalyptic number.

It is an amenable number.

30892916 is a deficient number, since it is larger than the sum of its proper divisors (23371084).

30892916 is a wasteful number, since it uses less digits than its factorization.

30892916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28774 (or 28772 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 30892916 is about 5558.1396168142. The cubic root of 30892916 is about 313.7759365447.

The spelling of 30892916 in words is "thirty million, eight hundred ninety-two thousand, nine hundred sixteen".

Divisors: 1 2 4 271 542 1084 28499 56998 113996 7723229 15446458 30892916