Search a number
-
+
13724232 = 2331930097
BaseRepresentation
bin110100010110…
…101001001000
3221211021002220
4310112221020
512003133412
61210054040
7224440224
oct64265110
927737086
1013724232
117824245
12471a320
132ac6a62
141b73784
15131168c
hexd16a48

13724232 has 32 divisors (see below), whose sum is σ = 36117600. Its totient is φ = 4333824.

The previous prime is 13724231. The next prime is 13724233. The reversal of 13724232 is 23242731.

It is an interprime number because it is at equal distance from previous prime (13724231) and next prime (13724233).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13724231) 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, 14593 + ... + 15504.

It is an arithmetic number, because the mean of its divisors is an integer number (1128675).

Almost surely, 213724232 is an apocalyptic number.

13724232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13724232 is an abundant number, since it is smaller than the sum of its proper divisors (22393368).

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

13724232 is a wasteful number, since it uses less digits than its factorization.

13724232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30125 (or 30121 counting only the distinct ones).

The product of its digits is 2016, while the sum is 24.

The square root of 13724232 is about 3704.6230577483. The cubic root of 13724232 is about 239.4212443520.

Adding to 13724232 its reverse (23242731), we get a palindrome (36966963).

The spelling of 13724232 in words is "thirteen million, seven hundred twenty-four thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 30097 60194 90291 120388 180582 240776 361164 571843 722328 1143686 1715529 2287372 3431058 4574744 6862116 13724232