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10508075 = 52420323
BaseRepresentation
bin101000000101…
…011100101011
3201202212100222
4220011130223
510142224300
61013120255
7155213534
oct50053453
921685328
1010508075
115a27966
12362908b
13223bbc6
14157768b
15dc8785
hexa0572b

10508075 has 6 divisors (see below), whose sum is σ = 13030044. Its totient is φ = 8406440.

The previous prime is 10508059. The next prime is 10508081. The reversal of 10508075 is 57080501.

It is not a de Polignac number, because 10508075 - 24 = 10508059 is a prime.

It is a super-2 number, since 2×105080752 = 220839280411250, which contains 22 as substring.

It is a Duffinian number.

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 in 5 ways as a sum of consecutive naturals, for example, 210137 + ... + 210186.

It is an arithmetic number, because the mean of its divisors is an integer number (2171674).

Almost surely, 210508075 is an apocalyptic number.

10508075 is a deficient number, since it is larger than the sum of its proper divisors (2521969).

10508075 is an equidigital number, since it uses as much as digits as its factorization.

10508075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420333 (or 420328 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 10508075 is about 3241.6161092887. The cubic root of 10508075 is about 219.0320769233.

Adding to 10508075 its reverse (57080501), we get a palindrome (67588576).

The spelling of 10508075 in words is "ten million, five hundred eight thousand, seventy-five".

Divisors: 1 5 25 420323 2101615 10508075