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234379639 = 1398318341
BaseRepresentation
bin11011111100001…
…01100101110111
3121100000201102101
431332011211313
5440000122024
635131322531
75544123364
oct1576054567
9540021371
10234379639
1111033498a
12665b0447
13397338a0
14231b146b
151589ac44
hexdf85977

234379639 has 8 divisors (see below), whose sum is σ = 252679392. Its totient is φ = 216118560.

The previous prime is 234379619. The next prime is 234379699. The reversal of 234379639 is 936973432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234379639 - 213 = 234371447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234379609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3609 + ... + 21949.

It is an arithmetic number, because the mean of its divisors is an integer number (31584924).

Almost surely, 2234379639 is an apocalyptic number.

234379639 is a deficient number, since it is larger than the sum of its proper divisors (18299753).

234379639 is a wasteful number, since it uses less digits than its factorization.

234379639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19337.

The product of its digits is 734832, while the sum is 46.

The square root of 234379639 is about 15309.4624007507. The cubic root of 234379639 is about 616.5570863808.

The spelling of 234379639 in words is "two hundred thirty-four million, three hundred seventy-nine thousand, six hundred thirty-nine".

Divisors: 1 13 983 12779 18341 238433 18029203 234379639