Search a number
-
+
13932312 = 233580513
BaseRepresentation
bin110101001001…
…011100011000
3222012211112120
4311021130120
512031313222
61214341240
7226264662
oct65113430
928184476
1013932312
117956609
1247ba820
132b6a694
141bc9532
15135315c
hexd49718

13932312 has 16 divisors (see below), whose sum is σ = 34830840. Its totient is φ = 4644096.

The previous prime is 13932311. The next prime is 13932323. The reversal of 13932312 is 21323931.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 580513 = 13932312 / (1 + 3 + 9 + 3 + 2 + 3 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13932311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290233 + ... + 290280.

Almost surely, 213932312 is an apocalyptic number.

13932312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13932312 is an abundant number, since it is smaller than the sum of its proper divisors (20898528).

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

13932312 is a wasteful number, since it uses less digits than its factorization.

13932312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580522 (or 580518 counting only the distinct ones).

The product of its digits is 972, while the sum is 24.

The square root of 13932312 is about 3732.6012377429. The cubic root of 13932312 is about 240.6251756225.

The spelling of 13932312 in words is "thirteen million, nine hundred thirty-two thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 580513 1161026 1741539 2322052 3483078 4644104 6966156 13932312