Search a number
-
+
13893792 = 2531159223
BaseRepresentation
bin110101000000…
…000010100000
3222010212200220
4311000002200
512024100132
61213443040
7226044453
oct65000240
928125626
1013893792
11792a680
1247a0480
132b55ca3
141bb949a
151346a2c
hexd400a0

13893792 has 96 divisors (see below), whose sum is σ = 40642560. Its totient is φ = 4120320.

The previous prime is 13893779. The next prime is 13893799. The reversal of 13893792 is 29739831.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×138937922 = 386074912278528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13893799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62193 + ... + 62415.

It is an arithmetic number, because the mean of its divisors is an integer number (423360).

Almost surely, 213893792 is an apocalyptic number.

13893792 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 13893792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20321280).

13893792 is an abundant number, since it is smaller than the sum of its proper divisors (26748768).

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

13893792 is a wasteful number, since it uses less digits than its factorization.

13893792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 298 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 13893792 is about 3727.4377258380. The cubic root of 13893792 is about 240.4032110962.

The spelling of 13893792 in words is "thirteen million, eight hundred ninety-three thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 59 66 88 96 118 132 176 177 223 236 264 352 354 446 472 528 649 669 708 892 944 1056 1298 1338 1416 1784 1888 1947 2453 2596 2676 2832 3568 3894 4906 5192 5352 5664 7136 7359 7788 9812 10384 10704 13157 14718 15576 19624 20768 21408 26314 29436 31152 39248 39471 52628 58872 62304 78496 78942 105256 117744 144727 157884 210512 235488 289454 315768 421024 434181 578908 631536 868362 1157816 1263072 1736724 2315632 3473448 4631264 6946896 13893792