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16042839 = 347113779
BaseRepresentation
bin111101001100…
…101101010111
31010012001122020
4331030231113
513101332324
61331504223
7253235061
oct75145527
933161566
1016042839
11906824a
125458073
133429207
1421b8731
15161d679
hexf4cb57

16042839 has 8 divisors (see below), whose sum is σ = 21845760. Its totient is φ = 10467576.

The previous prime is 16042811. The next prime is 16042847. The reversal of 16042839 is 93824061.

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

It is not a de Polignac number, because 16042839 - 28 = 16042583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16042879) 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, 56749 + ... + 57030.

It is an arithmetic number, because the mean of its divisors is an integer number (2730720).

Almost surely, 216042839 is an apocalyptic number.

16042839 is a deficient number, since it is larger than the sum of its proper divisors (5802921).

16042839 is a wasteful number, since it uses less digits than its factorization.

16042839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113829.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 16042839 is about 4005.3512954546. The cubic root of 16042839 is about 252.2089002245.

The spelling of 16042839 in words is "sixteen million, forty-two thousand, eight hundred thirty-nine".

Divisors: 1 3 47 141 113779 341337 5347613 16042839