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307668532 = 22128359951
BaseRepresentation
bin10010010101101…
…010011000110100
3210102221011212211
4102111222120310
51112230343112
650310223204
710424065543
oct2225523064
9712834784
10307668532
11148741a16
1287054b04
134b9843b2
142cc0c15a
151c0260a7
hex1256a634

307668532 has 12 divisors (see below), whose sum is σ = 538848576. Its totient is φ = 153711800.

The previous prime is 307668509. The next prime is 307668547. The reversal of 307668532 is 235866703.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 24844 + ... + 35107.

It is an arithmetic number, because the mean of its divisors is an integer number (44904048).

Almost surely, 2307668532 is an apocalyptic number.

It is an amenable number.

307668532 is a deficient number, since it is larger than the sum of its proper divisors (231180044).

307668532 is a wasteful number, since it uses less digits than its factorization.

307668532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61238 (or 61236 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 307668532 is about 17540.4826615461. The cubic root of 307668532 is about 675.0889920162.

The spelling of 307668532 in words is "three hundred seven million, six hundred sixty-eight thousand, five hundred thirty-two".

Divisors: 1 2 4 1283 2566 5132 59951 119902 239804 76917133 153834266 307668532