Base | Representation |
---|---|
bin | 110101001110… |
… | …001000000000 |
3 | 222020210211210 |
4 | 311032020000 |
5 | 12032421423 |
6 | 1215010120 |
7 | 226404615 |
oct | 65161000 |
9 | 28223753 |
10 | 13951488 |
11 | 7969a61 |
12 | 4809940 |
13 | 2b76325 |
14 | 1bd250c |
15 | 1358b93 |
hex | d4e200 |
13951488 has 80 divisors (see below), whose sum is σ = 38497536. Its totient is φ = 4485120.
The previous prime is 13951481. The next prime is 13951489. The reversal of 13951488 is 88415931.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (13951481) 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, 47470 + ... + 47762.
Almost surely, 213951488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13951488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19248768).
13951488 is an abundant number, since it is smaller than the sum of its proper divisors (24546048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13951488 is an equidigital number, since it uses as much as digits as its factorization.
13951488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 345 (or 329 counting only the distinct ones).
The product of its digits is 34560, while the sum is 39.
The square root of 13951488 is about 3735.1690724785. The cubic root of 13951488 is about 240.7355213432.
The spelling of 13951488 in words is "thirteen million, nine hundred fifty-one thousand, four hundred eighty-eight".
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