Base | Representation |
---|---|
bin | 101000001001… |
… | …101111001010 |
3 | 201210202110121 |
4 | 220021233022 |
5 | 10143310032 |
6 | 1013333454 |
7 | 155316001 |
oct | 50115712 |
9 | 21722417 |
10 | 10525642 |
11 | 5a3a086 |
12 | 363728a |
13 | 2246bba |
14 | 157dc38 |
15 | dcda97 |
hex | a09bca |
10525642 has 4 divisors (see below), whose sum is σ = 15788466. Its totient is φ = 5262820.
The previous prime is 10525631. The next prime is 10525657. The reversal of 10525642 is 24652501.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24652501 = 59 ⋅417839.
It can be written as a sum of positive squares in only one way, i.e., 8590761 + 1934881 = 2931^2 + 1391^2 .
It is a super-2 number, since 2×105256422 = 221578279024328, which contains 22 as substring.
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 as a sum of consecutive naturals, namely, 2631409 + ... + 2631412.
Almost surely, 210525642 is an apocalyptic number.
10525642 is a deficient number, since it is larger than the sum of its proper divisors (5262824).
10525642 is an equidigital number, since it uses as much as digits as its factorization.
10525642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5262823.
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 10525642 is about 3244.3245830219. The cubic root of 10525642 is about 219.1540654676.
The spelling of 10525642 in words is "ten million, five hundred twenty-five thousand, six hundred forty-two".
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