Base | Representation |
---|---|
bin | 110100010111… |
… | …000100011100 |
3 | 221211100111122 |
4 | 310113010130 |
5 | 12003212410 |
6 | 1210110112 |
7 | 224445302 |
oct | 64270434 |
9 | 27740448 |
10 | 13725980 |
11 | 7825594 |
12 | 471b338 |
13 | 2ac77a8 |
14 | 1b74272 |
15 | 1311e55 |
hex | d1711c |
13725980 has 48 divisors (see below), whose sum is σ = 31116960. Its totient is φ = 5068800.
The previous prime is 13725979. The next prime is 13725983. The reversal of 13725980 is 8952731.
It is a self number, because there is not a number n which added to its sum of digits gives 13725980.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13725983) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15140 + ... + 16020.
It is an arithmetic number, because the mean of its divisors is an integer number (648270).
Almost surely, 213725980 is an apocalyptic number.
13725980 is a gapful number since it is divisible by the number (10) 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 13725980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15558480).
13725980 is an abundant number, since it is smaller than the sum of its proper divisors (17390980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13725980 is a wasteful number, since it uses less digits than its factorization.
13725980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 950 (or 948 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 35.
The square root of 13725980 is about 3704.8589716749. The cubic root of 13725980 is about 239.4314086261.
The spelling of 13725980 in words is "thirteen million, seven hundred twenty-five thousand, nine hundred eighty".
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