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307572312 = 23364119993
BaseRepresentation
bin10010010101010…
…010111001011000
3210102202021220010
4102111102321120
51112214303222
650304201520
710423215165
oct2225227130
9712667803
10307572312
111486866a3
12870092a0
134b94c668
142cbc506c
151c00780c
hex12552e58

307572312 has 32 divisors (see below), whose sum is σ = 770168880. Its totient is φ = 102359040.

The previous prime is 307572311. The next prime is 307572329. The reversal of 307572312 is 213275703.

It is a self number, because there is not a number n which added to its sum of digits gives 307572312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307572311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5388 + ... + 25380.

Almost surely, 2307572312 is an apocalyptic number.

It is an amenable number.

307572312 is an abundant number, since it is smaller than the sum of its proper divisors (462596568).

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

307572312 is a wasteful number, since it uses less digits than its factorization.

307572312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20643 (or 20639 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 307572312 is about 17537.7396491110. The cubic root of 307572312 is about 675.0186090892.

The spelling of 307572312 in words is "three hundred seven million, five hundred seventy-two thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 641 1282 1923 2564 3846 5128 7692 15384 19993 39986 59979 79972 119958 159944 239916 479832 12815513 25631026 38446539 51262052 76893078 102524104 153786156 307572312