Search a number
-
+
1139315832 = 233215823831
BaseRepresentation
bin100001111101000…
…1001010001111000
32221101211020111200
41003322021101320
54313131101312
6305015254200
740143011334
oct10372112170
92841736450
101139315832
11535128936
1227967a360
13152067ca5
14ab4547c4
156a0500dc
hex43e89478

1139315832 has 24 divisors (see below), whose sum is σ = 3085647240. Its totient is φ = 379771920.

The previous prime is 1139315819. The next prime is 1139315897. The reversal of 1139315832 is 2385139311.

1139315832 is a `hidden beast` number, since 11 + 39 + 31 + 583 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7911844 + ... + 7911987.

It is an arithmetic number, because the mean of its divisors is an integer number (128568635).

Almost surely, 21139315832 is an apocalyptic number.

1139315832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1139315832 is an abundant number, since it is smaller than the sum of its proper divisors (1946331408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1139315832 is a wasteful number, since it uses less digits than its factorization.

1139315832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15823843 (or 15823836 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 1139315832 is about 33753.7528580157. The cubic root of 1139315832 is about 1044.4349049009.

It can be divided in two parts, 11393 and 15832, that added together give a square (27225 = 1652).

The spelling of 1139315832 in words is "one billion, one hundred thirty-nine million, three hundred fifteen thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 15823831 31647662 47471493 63295324 94942986 126590648 142414479 189885972 284828958 379771944 569657916 1139315832