Search a number
-
+
117233839 = 47273727
BaseRepresentation
bin1101111110011…
…01100010101111
322011121002121001
412333031202233
5220002440324
615344421131
72622320422
oct677154257
9264532531
10117233839
11601a2578
12333177a7
131b398b48
14117d99b9
15a45ae44
hex6fcd8af

117233839 has 12 divisors (see below), whose sum is σ = 121589104. Its totient is φ = 113012064.

The previous prime is 117233803. The next prime is 117233849. The reversal of 117233839 is 938332711.

It is not a de Polignac number, because 117233839 - 217 = 117102767 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117233798 and 117233807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117233849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160894 + ... + 161620.

Almost surely, 2117233839 is an apocalyptic number.

117233839 is a deficient number, since it is larger than the sum of its proper divisors (4355265).

117233839 is an frugal number, since it uses more digits than its factorization.

With its predecessor (117233838) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (894).

117233839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 847 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 117233839 is about 10827.4576424939. The cubic root of 117233839 is about 489.4229483533.

The spelling of 117233839 in words is "one hundred seventeen million, two hundred thirty-three thousand, eight hundred thirty-nine".

Divisors: 1 47 73 727 2209 3431 34169 53071 161257 1605943 2494337 117233839