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307109468 = 22471633561
BaseRepresentation
bin10010010011100…
…001111001011100
3210101212202222202
4102103201321130
51112110000333
650250231032
710416246611
oct2223417134
9711782882
10307109468
1114839a986
1286a25478
134b819aa3
142cb04508
151be655e8
hex124e1e5c

307109468 has 12 divisors (see below), whose sum is σ = 548876832. Its totient is φ = 150287520.

The previous prime is 307109461. The next prime is 307109497. The reversal of 307109468 is 864901703.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307109461) 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, 816593 + ... + 816968.

It is an arithmetic number, because the mean of its divisors is an integer number (45739736).

Almost surely, 2307109468 is an apocalyptic number.

It is an amenable number.

307109468 is a deficient number, since it is larger than the sum of its proper divisors (241767364).

307109468 is a wasteful number, since it uses less digits than its factorization.

307109468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633612 (or 1633610 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 307109468 is about 17524.5390238945. The cubic root of 307109468 is about 674.6798430503.

The spelling of 307109468 in words is "three hundred seven million, one hundred nine thousand, four hundred sixty-eight".

Divisors: 1 2 4 47 94 188 1633561 3267122 6534244 76777367 153554734 307109468