Search a number
-
+
307470312 = 233219224759
BaseRepresentation
bin10010010100111…
…001111111101000
3210102120002222100
4102110321333220
51112203022222
650302053400
710422311622
oct2224717750
9712502870
10307470312
11148616aa6
1286b7a260
134b9150c6
142cb99c12
151bed74ac
hex12539fe8

307470312 has 48 divisors (see below), whose sum is σ = 876564000. Its totient is φ = 97095456.

The previous prime is 307470301. The next prime is 307470329. The reversal of 307470312 is 213074703.

307470312 is a `hidden beast` number, since 307 + 47 + 0 + 312 = 666.

It is a super-2 number, since 2×3074703122 = 189075985522754688, which contains 22 as substring.

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, 111012 + ... + 113747.

It is an arithmetic number, because the mean of its divisors is an integer number (18261750).

Almost surely, 2307470312 is an apocalyptic number.

It is an amenable number.

307470312 is an abundant number, since it is smaller than the sum of its proper divisors (569093688).

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

307470312 is a wasteful number, since it uses less digits than its factorization.

307470312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224790 (or 224783 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 307470312 is about 17534.8313935435. The cubic root of 307470312 is about 674.9439821825.

The spelling of 307470312 in words is "three hundred seven million, four hundred seventy thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 342 456 684 1368 224759 449518 674277 899036 1348554 1798072 2022831 2697108 4045662 4270421 5394216 8091324 8540842 12811263 16182648 17081684 25622526 34163368 38433789 51245052 76867578 102490104 153735156 307470312