Base | Representation |
---|---|
bin | 11011101010100110011101 |
3 | 111122110101201 |
4 | 123222212131 |
5 | 3324034011 |
6 | 415235501 |
7 | 115433653 |
oct | 33524635 |
9 | 14573351 |
10 | 7252381 |
11 | 4103904 |
12 | 2518b91 |
13 | 166c066 |
14 | d6add3 |
15 | 983cc1 |
hex | 6ea99d |
7252381 has 2 divisors, whose sum is σ = 7252382. Its totient is φ = 7252380.
The previous prime is 7252373. The next prime is 7252393. The reversal of 7252381 is 1832527.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 4137156 + 3115225 = 2034^2 + 1765^2 .
It is a cyclic number.
It is not a de Polignac number, because 7252381 - 23 = 7252373 is a prime.
It is a super-2 number, since 2×72523812 = 105194060338322, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7252181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3626190 + 3626191.
It is an arithmetic number, because the mean of its divisors is an integer number (3626191).
Almost surely, 27252381 is an apocalyptic number.
It is an amenable number.
7252381 is a deficient number, since it is larger than the sum of its proper divisors (1).
7252381 is an equidigital number, since it uses as much as digits as its factorization.
7252381 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3360, while the sum is 28.
The square root of 7252381 is about 2693.0245078721. The cubic root of 7252381 is about 193.5650172004.
The spelling of 7252381 in words is "seven million, two hundred fifty-two thousand, three hundred eighty-one".
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