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10825481 = 173891637
BaseRepresentation
bin101001010010…
…111100001001
3202100222202202
4221102330021
510232403411
61024005545
7161005112
oct51227411
922328682
1010825481
116124387
1237608b5
132320514
14161b209
15e3c83b
hexa52f09

10825481 has 8 divisors (see below), whose sum is σ = 11498760. Its totient is φ = 10156288.

The previous prime is 10825457. The next prime is 10825489. The reversal of 10825481 is 18452801.

It can be written as a sum of positive squares in 4 ways, for example, as 99856 + 10725625 = 316^2 + 3275^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10825481 is a prime.

It is a super-2 number, since 2×108254812 = 234382077762722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10825489) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 5795 + ... + 7431.

It is an arithmetic number, because the mean of its divisors is an integer number (1437345).

Almost surely, 210825481 is an apocalyptic number.

It is an amenable number.

10825481 is a deficient number, since it is larger than the sum of its proper divisors (673279).

10825481 is a wasteful number, since it uses less digits than its factorization.

10825481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 10825481 is about 3290.2098717255. The cubic root of 10825481 is about 221.2155919127.

The spelling of 10825481 in words is "ten million, eight hundred twenty-five thousand, four hundred eighty-one".

Divisors: 1 17 389 1637 6613 27829 636793 10825481