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307061472 = 2533198557
BaseRepresentation
bin10010010011010…
…110001011100000
3210101210100011010
4102103112023200
51112101431342
650245220520
710415656644
oct2223261340
9711710133
10307061472
11148367913
1286a01740
134b800ca3
142cad0c24
151be5629c
hex124d62e0

307061472 has 24 divisors (see below), whose sum is σ = 806036616. Its totient is φ = 102353792.

The previous prime is 307061471. The next prime is 307061507. The reversal of 307061472 is 274160703.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307061471) 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, 1599183 + ... + 1599374.

It is an arithmetic number, because the mean of its divisors is an integer number (33584859).

Almost surely, 2307061472 is an apocalyptic number.

307061472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

307061472 is an abundant number, since it is smaller than the sum of its proper divisors (498975144).

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

307061472 is a wasteful number, since it uses less digits than its factorization.

307061472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198570 (or 3198562 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 307061472 is about 17523.1695763067. The cubic root of 307061472 is about 674.6446942145.

The spelling of 307061472 in words is "three hundred seven million, sixty-one thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 3198557 6397114 9595671 12794228 19191342 25588456 38382684 51176912 76765368 102353824 153530736 307061472