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10512485 = 52102497
BaseRepresentation
bin101000000110…
…100001100101
3201210002102022
4220012201211
510142344420
61013152525
7155232434
oct50064145
921702368
1010512485
115a30205
12362b745
132240c09
14157911b
15dc9c25
hexa06865

10512485 has 4 divisors (see below), whose sum is σ = 12614988. Its totient is φ = 8409984.

The previous prime is 10512479. The next prime is 10512493. The reversal of 10512485 is 58421501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58421501 = 200329167.

It can be written as a sum of positive squares in 2 ways, for example, as 7134241 + 3378244 = 2671^2 + 1838^2 .

It is a cyclic number.

It is not a de Polignac number, because 10512485 - 222 = 6318181 is a prime.

It is a super-2 number, since 2×105124852 = 221024681750450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051244 + ... + 1051253.

It is an arithmetic number, because the mean of its divisors is an integer number (3153747).

Almost surely, 210512485 is an apocalyptic number.

It is an amenable number.

10512485 is a deficient number, since it is larger than the sum of its proper divisors (2102503).

10512485 is an equidigital number, since it uses as much as digits as its factorization.

10512485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102502.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 10512485 is about 3242.2962542001. The cubic root of 10512485 is about 219.0627135643.

Adding to 10512485 its reverse (58421501), we get a palindrome (68933986).

The spelling of 10512485 in words is "ten million, five hundred twelve thousand, four hundred eighty-five".

Divisors: 1 5 2102497 10512485