Base | Representation |
---|---|
bin | 110100101111… |
… | …010111100011 |
3 | 222000102000211 |
4 | 310233113203 |
5 | 12014404012 |
6 | 1212154551 |
7 | 225341413 |
oct | 64572743 |
9 | 28012024 |
10 | 13825507 |
11 | 7893343 |
12 | 4768a57 |
13 | 2b30b97 |
14 | 1b9c643 |
15 | 13316a7 |
hex | d2f5e3 |
13825507 has 8 divisors (see below), whose sum is σ = 14577696. Its totient is φ = 13085952.
The previous prime is 13825501. The next prime is 13825549. The reversal of 13825507 is 70552831.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13825507 - 219 = 13301219 is a prime.
It is a super-2 number, since 2×138255072 = 382289287614098, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13825501) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868 + ... + 5329.
It is an arithmetic number, because the mean of its divisors is an integer number (1822212).
Almost surely, 213825507 is an apocalyptic number.
13825507 is a deficient number, since it is larger than the sum of its proper divisors (752189).
13825507 is an equidigital number, since it uses as much as digits as its factorization.
13825507 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6317.
The product of its (nonzero) digits is 8400, while the sum is 31.
The square root of 13825507 is about 3718.2666660690. The cubic root of 13825507 is about 240.0087207479.
It can be divided in two parts, 1382 and 5507, that added together give a square (6889 = 832).
The spelling of 13825507 in words is "thirteen million, eight hundred twenty-five thousand, five hundred seven".
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