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239606664 = 233114321107
BaseRepresentation
bin11100100100000…
…01101110001000
3121200212021112220
432102001232020
5442314403124
635435334040
75636423463
oct1622015610
9550767486
10239606664
11113285040
12682b1320
133a843abb
1423b722da
151607e879
hexe481b88

239606664 has 64 divisors (see below), whose sum is σ = 668701440. Its totient is φ = 70916160.

The previous prime is 239606651. The next prime is 239606681. The reversal of 239606664 is 466606932.

It is a super-2 number, since 2×2396066642 = 114822706866417792, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799 + ... + 21905.

It is an arithmetic number, because the mean of its divisors is an integer number (10448460).

Almost surely, 2239606664 is an apocalyptic number.

239606664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239606664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334350720).

239606664 is an abundant number, since it is smaller than the sum of its proper divisors (429094776).

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

239606664 is a wasteful number, since it uses less digits than its factorization.

239606664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21170 (or 21166 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 42.

The square root of 239606664 is about 15479.2333143473. The cubic root of 239606664 is about 621.1068193313.

The spelling of 239606664 in words is "two hundred thirty-nine million, six hundred six thousand, six hundred sixty-four".