Base | Representation |
---|---|
bin | 110101010100… |
… | …011001000000 |
3 | 222022010001022 |
4 | 311110121000 |
5 | 12034232102 |
6 | 1215325012 |
7 | 226542500 |
oct | 65243100 |
9 | 28263038 |
10 | 13977152 |
11 | 7987272 |
12 | 4820768 |
13 | 2b84c07 |
14 | 1bdba00 |
15 | 13615a2 |
hex | d54640 |
13977152 has 42 divisors (see below), whose sum is σ = 32271462. Its totient is φ = 5988864.
The previous prime is 13977149. The next prime is 13977167. The reversal of 13977152 is 25177931.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 12845056 + 1132096 = 3584^2 + 1064^2 .
It is a super-2 number, since 2×139771522 = 390721556062208, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 908 + ... + 5364.
Almost surely, 213977152 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 13977152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16135731).
13977152 is an abundant number, since it is smaller than the sum of its proper divisors (18294310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13977152 is an equidigital number, since it uses as much as digits as its factorization.
13977152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4483 (or 4466 counting only the distinct ones).
The product of its digits is 13230, while the sum is 35.
The square root of 13977152 is about 3738.6029476263. The cubic root of 13977152 is about 240.8830432888.
It can be divided in two parts, 1397715 and 2, that multiplied together give a triangular number (2795430 = T2364).
The spelling of 13977152 in words is "thirteen million, nine hundred seventy-seven thousand, one hundred fifty-two".
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