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307125340 = 22515356267
BaseRepresentation
bin10010010011100…
…101110001011100
3210101220120202121
4102103211301130
51112111002330
650250432324
710416344104
oct2223456134
9711816677
10307125340
111484008a5
1286a326a4
134b824092
142cb0a204
151be6a17a
hex124e5c5c

307125340 has 12 divisors (see below), whose sum is σ = 644963256. Its totient is φ = 122850128.

The previous prime is 307125331. The next prime is 307125359. The reversal of 307125340 is 43521703.

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, 7678114 + ... + 7678153.

It is an arithmetic number, because the mean of its divisors is an integer number (53746938).

Almost surely, 2307125340 is an apocalyptic number.

It is an amenable number.

307125340 is an abundant number, since it is smaller than the sum of its proper divisors (337837916).

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

307125340 is a wasteful number, since it uses less digits than its factorization.

307125340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15356276 (or 15356274 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 307125340 is about 17524.9918687570. The cubic root of 307125340 is about 674.6914657615.

The spelling of 307125340 in words is "three hundred seven million, one hundred twenty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 15356267 30712534 61425068 76781335 153562670 307125340