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307067872 = 2517564463
BaseRepresentation
bin10010010011010…
…111101111100000
3210101210122221011
4102103113233200
51112102132442
650245310304
710416014416
oct2223275740
9711718834
10307067872
11148371701
1286a05394
134b803b87
142cad32b6
151be58117
hex124d7be0

307067872 has 24 divisors (see below), whose sum is σ = 640102176. Its totient is φ = 144502272.

The previous prime is 307067861. The next prime is 307067881. The reversal of 307067872 is 278760703.

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, 281688 + ... + 282775.

It is an arithmetic number, because the mean of its divisors is an integer number (26670924).

Almost surely, 2307067872 is an apocalyptic number.

307067872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

307067872 is an abundant number, since it is smaller than the sum of its proper divisors (333034304).

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

307067872 is a wasteful number, since it uses less digits than its factorization.

307067872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564490 (or 564482 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 307067872 is about 17523.3521907197. The cubic root of 307067872 is about 674.6493813281.

The spelling of 307067872 in words is "three hundred seven million, sixty-seven thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 564463 1128926 2257852 4515704 9031408 9595871 18062816 19191742 38383484 76766968 153533936 307067872