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239216872 = 2329902109
BaseRepresentation
bin11100100001000…
…10100011101000
3121200010110212011
432100202203220
5442214414442
635423125304
75633211166
oct1620424350
9550113764
10239216872
111130391a4
1268143834
133a73855b
1423ab0236
1516004117
hexe4228e8

239216872 has 8 divisors (see below), whose sum is σ = 448531650. Its totient is φ = 119608432.

The previous prime is 239216851. The next prime is 239216881. The reversal of 239216872 is 278612932.

It can be written as a sum of positive squares in only one way, i.e., 198077476 + 41139396 = 14074^2 + 6414^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 14951047 + ... + 14951062.

Almost surely, 2239216872 is an apocalyptic number.

It is an amenable number.

239216872 is a deficient number, since it is larger than the sum of its proper divisors (209314778).

239216872 is a wasteful number, since it uses less digits than its factorization.

239216872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29902115 (or 29902111 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 239216872 is about 15466.6373850298. The cubic root of 239216872 is about 620.7698311078.

The spelling of 239216872 in words is "two hundred thirty-nine million, two hundred sixteen thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 29902109 59804218 119608436 239216872