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307017664 = 2629831993
BaseRepresentation
bin10010010011001…
…011011111000000
3210101201010001121
4102103023133000
51112044031124
650244242024
710415415142
oct2223133700
9711633047
10307017664
11148337a08
12869a0314
134b7b7075
142cabcc92
151be482e4
hex124cb7c0

307017664 has 56 divisors (see below), whose sum is σ = 638159760. Its totient is φ = 146356224.

The previous prime is 307017653. The next prime is 307017673. The reversal of 307017664 is 466710703.

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 7 ways as a sum of consecutive naturals, for example, 153052 + ... + 155044.

It is an arithmetic number, because the mean of its divisors is an integer number (11395710).

Almost surely, 2307017664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307017664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319079880).

307017664 is an abundant number, since it is smaller than the sum of its proper divisors (331142096).

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

307017664 is a wasteful number, since it uses less digits than its factorization.

307017664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117 (or 2107 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 307017664 is about 17521.9195295493. The cubic root of 307017664 is about 674.6126091728.

The spelling of 307017664 in words is "three hundred seven million, seventeen thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 29 32 58 64 83 116 166 232 332 464 664 928 1328 1856 1993 2407 2656 3986 4814 5312 7972 9628 15944 19256 31888 38512 57797 63776 77024 115594 127552 154048 165419 231188 330838 462376 661676 924752 1323352 1849504 2646704 3699008 4797151 5293408 9594302 10586816 19188604 38377208 76754416 153508832 307017664