Base | Representation |
---|---|
bin | 110011010100… |
… | …001010010101 |
3 | 221022102120110 |
4 | 303110022111 |
5 | 11420430200 |
6 | 1200153233 |
7 | 222224304 |
oct | 63241225 |
9 | 27272513 |
10 | 13451925 |
11 | 76586a3 |
12 | 4608819 |
13 | 2a2cb26 |
14 | 1b0243b |
15 | 12aab50 |
hex | cd4295 |
13451925 has 24 divisors (see below), whose sum is σ = 22580896. Its totient is φ = 7064640.
The previous prime is 13451909. The next prime is 13451953. The reversal of 13451925 is 52915431.
It is not a de Polignac number, because 13451925 - 24 = 13451909 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13451892 and 13451901.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 3687 + ... + 6363.
Almost surely, 213451925 is an apocalyptic number.
13451925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13451925 is a deficient number, since it is larger than the sum of its proper divisors (9128971).
13451925 is a wasteful number, since it uses less digits than its factorization.
13451925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2757 (or 2752 counting only the distinct ones).
The product of its digits is 5400, while the sum is 30.
The square root of 13451925 is about 3667.6866005699. The cubic root of 13451925 is about 237.8271760429.
The spelling of 13451925 in words is "thirteen million, four hundred fifty-one thousand, nine hundred twenty-five".
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