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3431542939 = 114172811
BaseRepresentation
bin1100110010001001…
…0011000010011011
322212011001102221221
43030202103002123
524011433333224
61324301512511
7151015430236
oct31442230233
98764042857
103431542939
111501020000
127b9272737
13428c1b1a6
14247a5c41d
151513d86e4
hexcc89309b

3431542939 has 30 divisors (see below), whose sum is σ = 4014718820. Its totient is φ = 2932459200.

The previous prime is 3431542909. The next prime is 3431542967. The reversal of 3431542939 is 9392451343.

It is a de Polignac number, because none of the positive numbers 2k-3431542939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3431542895 and 3431542904.

It is not an unprimeable number, because it can be changed into a prime (3431542909) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 4230844 + ... + 4231654.

Almost surely, 23431542939 is an apocalyptic number.

3431542939 is a deficient number, since it is larger than the sum of its proper divisors (583175881).

3431542939 is an frugal number, since it uses more digits than its factorization.

3431542939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 839 counting only the distinct ones).

The product of its digits is 349920, while the sum is 43.

The square root of 3431542939 is about 58579.3729823050. The cubic root of 3431542939 is about 1508.3303825453.

The spelling of 3431542939 in words is "three billion, four hundred thirty-one million, five hundred forty-two thousand, nine hundred thirty-nine".

Divisors: 1 11 17 121 187 289 811 1331 2057 3179 8921 13787 14641 22627 34969 98131 151657 234379 248897 384659 1079441 1668227 2578169 4231249 11873851 18350497 28359859 201855467 311958449 3431542939