Base | Representation |
---|---|
bin | 101111110011… |
… | …1001001011111 |
3 | 1202011101101110 |
4 | 1133213021133 |
5 | 22404022111 |
6 | 2253113103 |
7 | 423016656 |
oct | 137471137 |
9 | 52141343 |
10 | 25064031 |
11 | 13169a83 |
12 | 8488793 |
13 | 52673b5 |
14 | 348619d |
15 | 23015a6 |
hex | 17e725f |
25064031 has 4 divisors (see below), whose sum is σ = 33418712. Its totient is φ = 16709352.
The previous prime is 25064029. The next prime is 25064111. The reversal of 25064031 is 13046052.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 25064031 - 21 = 25064029 is a prime.
It is a super-2 number, since 2×250640312 = 1256411299937922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25063989 and 25064007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25064131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4177336 + ... + 4177341.
It is an arithmetic number, because the mean of its divisors is an integer number (8354678).
Almost surely, 225064031 is an apocalyptic number.
25064031 is a deficient number, since it is larger than the sum of its proper divisors (8354681).
25064031 is an equidigital number, since it uses as much as digits as its factorization.
25064031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8354680.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 25064031 is about 5006.3990052732. The cubic root of 25064031 is about 292.6511980370.
The spelling of 25064031 in words is "twenty-five million, sixty-four thousand, thirty-one".
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