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307124964 = 223229294181
BaseRepresentation
bin10010010011100…
…101101011100100
3210101220120020200
4102103211223210
51112110444324
650250430500
710416343026
oct2223455344
9711816220
10307124964
11148400593
1286a32430
134b823b63
142cb0a016
151be69ec9
hex124e5ae4

307124964 has 36 divisors (see below), whose sum is σ = 803116860. Its totient is φ = 98844480.

The previous prime is 307124933. The next prime is 307124971. The reversal of 307124964 is 469421703.

It can be written as a sum of positive squares in 2 ways, for example, as 221414400 + 85710564 = 14880^2 + 9258^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146047 + ... + 148134.

Almost surely, 2307124964 is an apocalyptic number.

It is an amenable number.

307124964 is an abundant number, since it is smaller than the sum of its proper divisors (495991896).

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

307124964 is a wasteful number, since it uses less digits than its factorization.

307124964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294220 (or 294215 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 307124964 is about 17524.9811412167. The cubic root of 307124964 is about 674.6911904297.

The spelling of 307124964 in words is "three hundred seven million, one hundred twenty-four thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 348 522 1044 294181 588362 882543 1176724 1765086 2647629 3530172 5295258 8531249 10590516 17062498 25593747 34124996 51187494 76781241 102374988 153562482 307124964