Search a number
-
+
13824252 = 223213109271
BaseRepresentation
bin110100101111…
…000011111100
3222000100022100
4310233003330
512014334002
61212145100
7225334641
oct64570374
928010270
1013824252
117892402
124768190
132b30440
141b9bdc8
15133111c
hexd2f0fc

13824252 has 72 divisors (see below), whose sum is σ = 38118080. Its totient is φ = 4199040.

The previous prime is 13824241. The next prime is 13824263. The reversal of 13824252 is 25242831.

It is an interprime number because it is at equal distance from previous prime (13824241) and next prime (13824263).

It is a super-2 number, since 2×138242522 = 382219886719008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50877 + ... + 51147.

Almost surely, 213824252 is an apocalyptic number.

13824252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13824252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19059040).

13824252 is an abundant number, since it is smaller than the sum of its proper divisors (24293828).

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

13824252 is a wasteful number, since it uses less digits than its factorization.

13824252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 398 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 13824252 is about 3718.0979008090. The cubic root of 13824252 is about 240.0014583245.

The spelling of 13824252 in words is "thirteen million, eight hundred twenty-four thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 109 117 156 218 234 271 327 436 468 542 654 813 981 1084 1308 1417 1626 1962 2439 2834 3252 3523 3924 4251 4878 5668 7046 8502 9756 10569 12753 14092 17004 21138 25506 29539 31707 42276 51012 59078 63414 88617 118156 126828 177234 265851 354468 384007 531702 768014 1063404 1152021 1536028 2304042 3456063 4608084 6912126 13824252