Base | Representation |
---|---|
bin | 110100010110… |
… | …110101011111 |
3 | 221211022012012 |
4 | 310112311133 |
5 | 12003200043 |
6 | 1210101435 |
7 | 224442434 |
oct | 64266537 |
9 | 27738165 |
10 | 13725023 |
11 | 78248a4 |
12 | 471a87b |
13 | 2ac7220 |
14 | 1b73b8b |
15 | 1311a18 |
hex | d16d5f |
13725023 has 4 divisors (see below), whose sum is σ = 14780808. Its totient is φ = 12669240.
The previous prime is 13725013. The next prime is 13725031. The reversal of 13725023 is 32052731.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13725023 - 26 = 13724959 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13725023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13725013) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527873 + ... + 527898.
It is an arithmetic number, because the mean of its divisors is an integer number (3695202).
Almost surely, 213725023 is an apocalyptic number.
13725023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
13725023 is a deficient number, since it is larger than the sum of its proper divisors (1055785).
13725023 is a wasteful number, since it uses less digits than its factorization.
13725023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1055784.
The product of its (nonzero) digits is 1260, while the sum is 23.
The square root of 13725023 is about 3704.7298147098. The cubic root of 13725023 is about 239.4258439674.
Adding to 13725023 its reverse (32052731), we get a palindrome (45777754).
The spelling of 13725023 in words is "thirteen million, seven hundred twenty-five thousand, twenty-three".
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