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30097312 = 257134363
BaseRepresentation
bin111001011001…
…1111110100000
32002122002202021
41302303332200
530201103222
62553031224
7513552160
oct162637640
962562667
1030097312
1115a97613
12a0b5514
13630a37b
143dd65a0
152997ac7
hex1cb3fa0

30097312 has 24 divisors (see below), whose sum is σ = 67719456. Its totient is φ = 12898752.

The previous prime is 30097297. The next prime is 30097337. The reversal of 30097312 is 21379003.

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, 66958 + ... + 67405.

It is an arithmetic number, because the mean of its divisors is an integer number (2821644).

Almost surely, 230097312 is an apocalyptic number.

30097312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30097312 is an abundant number, since it is smaller than the sum of its proper divisors (37622144).

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

30097312 is a wasteful number, since it uses less digits than its factorization.

30097312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134380 (or 134372 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 30097312 is about 5486.1017125095. The cubic root of 30097312 is about 311.0588557738.

The spelling of 30097312 in words is "thirty million, ninety-seven thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 134363 268726 537452 940541 1074904 1881082 2149808 3762164 4299616 7524328 15048656 30097312