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30886016 = 27734471
BaseRepresentation
bin111010111010…
…0100010000000
32011010011122112
41311310202000
530401323031
63021554452
7523345460
oct165644200
964104575
1030886016
1116486137
12a415a28
136525365
14415dba0
152aa162b
hex1d74880

30886016 has 32 divisors (see below), whose sum is σ = 70322880. Its totient is φ = 13236480.

The previous prime is 30886007. The next prime is 30886049. The reversal of 30886016 is 61068803.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 16340 + ... + 18131.

It is an arithmetic number, because the mean of its divisors is an integer number (2197590).

Almost surely, 230886016 is an apocalyptic number.

It is an amenable number.

30886016 is an abundant number, since it is smaller than the sum of its proper divisors (39436864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30886016 is an equidigital number, since it uses as much as digits as its factorization.

30886016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34492 (or 34480 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 30886016 is about 5557.5188708631. The cubic root of 30886016 is about 313.7525739592.

The spelling of 30886016 in words is "thirty million, eight hundred eighty-six thousand, sixteen".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 34471 68942 137884 241297 275768 482594 551536 965188 1103072 1930376 2206144 3860752 4412288 7721504 15443008 30886016