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13663152 = 2432239397
BaseRepresentation
bin110100000111…
…101110110000
3221201011022200
4310013232300
511444210102
61204503200
7224064156
oct64075660
927634280
1013663152
117792368
1246aab00
132aa5009
141b593d6
1512ed51c
hexd07bb0

13663152 has 60 divisors (see below), whose sum is σ = 38494560. Its totient is φ = 4523904.

The previous prime is 13663123. The next prime is 13663159. The reversal of 13663152 is 25136631.

13663152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13663159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34218 + ... + 34614.

It is an arithmetic number, because the mean of its divisors is an integer number (641576).

Almost surely, 213663152 is an apocalyptic number.

13663152 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 13663152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19247280).

13663152 is an abundant number, since it is smaller than the sum of its proper divisors (24831408).

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

13663152 is a wasteful number, since it uses less digits than its factorization.

13663152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 641 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 13663152 is about 3696.3701113390. The cubic root of 13663152 is about 239.0655329360.

Adding to 13663152 its reverse (25136631), we get a palindrome (38799783).

The spelling of 13663152 in words is "thirteen million, six hundred sixty-three thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 239 397 478 717 794 956 1191 1434 1588 1912 2151 2382 2868 3176 3573 3824 4302 4764 5736 6352 7146 8604 9528 11472 14292 17208 19056 28584 34416 57168 94883 189766 284649 379532 569298 759064 853947 1138596 1518128 1707894 2277192 3415788 4554384 6831576 13663152