Base | Representation |
---|---|
bin | 110100101111… |
… | …010100111111 |
3 | 222000101210202 |
4 | 310233110333 |
5 | 12014402333 |
6 | 1212154115 |
7 | 225341060 |
oct | 64572477 |
9 | 28011722 |
10 | 13825343 |
11 | 7893204 |
12 | 476893b |
13 | 2b30a9c |
14 | 1b9c567 |
15 | 13315e8 |
hex | d2f53f |
13825343 has 4 divisors (see below), whose sum is σ = 15800400. Its totient is φ = 11850288.
The previous prime is 13825307. The next prime is 13825351. The reversal of 13825343 is 34352831.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34352831 = 661 ⋅51971.
It is a cyclic number.
It is not a de Polignac number, because 13825343 - 210 = 13824319 is a prime.
It is a super-2 number, since 2×138253432 = 382280218135298, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13825303) 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, 987518 + ... + 987531.
It is an arithmetic number, because the mean of its divisors is an integer number (3950100).
Almost surely, 213825343 is an apocalyptic number.
13825343 is a deficient number, since it is larger than the sum of its proper divisors (1975057).
13825343 is an equidigital number, since it uses as much as digits as its factorization.
13825343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1975056.
The product of its digits is 8640, while the sum is 29.
The square root of 13825343 is about 3718.2446127171. The cubic root of 13825343 is about 240.0077717391.
The spelling of 13825343 in words is "thirteen million, eight hundred twenty-five thousand, three hundred forty-three".
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