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307145676 = 22325595473
BaseRepresentation
bin10010010011101…
…010101111001100
3210101221121122210
4102103222233030
51112112130201
650251110420
710416460305
oct2223525714
9711847583
10307145676
11148415102
1286a42410
134b830406
142cb137ac
151be711d6
hex124eabcc

307145676 has 12 divisors (see below), whose sum is σ = 716673272. Its totient is φ = 102381888.

The previous prime is 307145617. The next prime is 307145677. The reversal of 307145676 is 676541703.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (307145677) 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, 12797725 + ... + 12797748.

Almost surely, 2307145676 is an apocalyptic number.

It is an amenable number.

307145676 is an abundant number, since it is smaller than the sum of its proper divisors (409527596).

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

307145676 is a wasteful number, since it uses less digits than its factorization.

307145676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25595480 (or 25595478 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 307145676 is about 17525.5720591369. The cubic root of 307145676 is about 674.7063567751.

The spelling of 307145676 in words is "three hundred seven million, one hundred forty-five thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 12 25595473 51190946 76786419 102381892 153572838 307145676