Base | Representation |
---|---|
bin | 110101000100… |
… | …101101000100 |
3 | 222011211220121 |
4 | 311010231010 |
5 | 12030203100 |
6 | 1214111324 |
7 | 226154251 |
oct | 65045504 |
9 | 28154817 |
10 | 13912900 |
11 | 7942a71 |
12 | 47ab544 |
13 | 2b618b1 |
14 | 1bc2428 |
15 | 134c51a |
hex | d44b44 |
13912900 has 27 divisors (see below), whose sum is σ = 30272151. Its totient is φ = 5550240.
The previous prime is 13912867. The next prime is 13912901. The reversal of 13912900 is 921931.
The square root of 13912900 is 3730.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 133956 + 13778944 = 366^2 + 3712^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13912901) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 37114 + ... + 37486.
Almost surely, 213912900 is an apocalyptic number.
13912900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13912900 is the 3730-th square number.
It is an amenable number.
13912900 is an abundant number, since it is smaller than the sum of its proper divisors (16359251).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13912900 is an equidigital number, since it uses as much as digits as its factorization.
13912900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 760 (or 380 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 25.
The cubic root of 13912900 is about 240.5133686954.
Multiplying 13912900 by its sum of digits (25), we get a square (347822500 = 186502).
13912900 divided by its sum of digits (25) gives a square (556516 = 7462).
The spelling of 13912900 in words is "thirteen million, nine hundred twelve thousand, nine hundred".
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