Base | Representation |
---|---|
bin | 110101000100… |
… | …100111111100 |
3 | 222011211110110 |
4 | 311010213330 |
5 | 12030200242 |
6 | 1214110020 |
7 | 226153302 |
oct | 65044774 |
9 | 28154413 |
10 | 13912572 |
11 | 79427a3 |
12 | 47ab310 |
13 | 2b616bb |
14 | 1bc2272 |
15 | 134c39c |
hex | d449fc |
13912572 has 12 divisors (see below), whose sum is σ = 32462696. Its totient is φ = 4637520.
The previous prime is 13912531. The next prime is 13912573. The reversal of 13912572 is 27521931.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13912573) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579679 + ... + 579702.
Almost surely, 213912572 is an apocalyptic number.
13912572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13912572 is an abundant number, since it is smaller than the sum of its proper divisors (18550124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13912572 is a wasteful number, since it uses less digits than its factorization.
13912572 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1159388 (or 1159386 counting only the distinct ones).
The product of its digits is 3780, while the sum is 30.
The square root of 13912572 is about 3729.9560319124. The cubic root of 13912572 is about 240.5114786268.
The spelling of 13912572 in words is "thirteen million, nine hundred twelve thousand, five hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •