Base | Representation |
---|---|
bin | 110100000100… |
… | …010000110110 |
3 | 221200102211200 |
4 | 310010100312 |
5 | 11443231300 |
6 | 1204313330 |
7 | 224004600 |
oct | 64042066 |
9 | 27612750 |
10 | 13648950 |
11 | 7782727 |
12 | 46a2846 |
13 | 2a9b703 |
14 | 1b54170 |
15 | 12e9200 |
hex | d04436 |
13648950 has 108 divisors (see below), whose sum is σ = 42726060. Its totient is φ = 3114720.
The previous prime is 13648939. The next prime is 13648963. The reversal of 13648950 is 5984631.
13648950 is a `hidden beast` number, since 1 + 3 + 648 + 9 + 5 + 0 = 666.
It is a super-2 number, since 2×136489502 = 372587672205000, 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 53 ways as a sum of consecutive naturals, for example, 21741 + ... + 22359.
Almost surely, 213648950 is an apocalyptic number.
13648950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13648950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21363030).
13648950 is an abundant number, since it is smaller than the sum of its proper divisors (29077110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13648950 is a wasteful number, since it uses less digits than its factorization.
13648950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 651 (or 636 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 13648950 is about 3694.4485380094. The cubic root of 13648950 is about 238.9826729501.
The spelling of 13648950 in words is "thirteen million, six hundred forty-eight thousand, nine hundred fifty".
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