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10930825 = 522915077
BaseRepresentation
bin101001101100…
…101010001001
3202120100021101
4221230222021
510244241300
61030141401
7161624203
oct51545211
922510241
1010930825
116196544
1237b1861
132359459
141647773
15e5db6a
hexa6ca89

10930825 has 12 divisors (see below), whose sum is σ = 14022540. Its totient is φ = 8442560.

The previous prime is 10930823. The next prime is 10930841. The reversal of 10930825 is 52803901.

It can be written as a sum of positive squares in 6 ways, for example, as 1948816 + 8982009 = 1396^2 + 2997^2 .

It is not a de Polignac number, because 10930825 - 21 = 10930823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10930793 and 10930802.

It is not an unprimeable number, because it can be changed into a prime (10930823) 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 11 ways as a sum of consecutive naturals, for example, 6814 + ... + 8263.

It is an arithmetic number, because the mean of its divisors is an integer number (1168545).

Almost surely, 210930825 is an apocalyptic number.

It is an amenable number.

10930825 is a deficient number, since it is larger than the sum of its proper divisors (3091715).

10930825 is a wasteful number, since it uses less digits than its factorization.

10930825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15116 (or 15111 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 10930825 is about 3306.1798196710. The cubic root of 10930825 is about 221.9308349858.

The spelling of 10930825 in words is "ten million, nine hundred thirty thousand, eight hundred twenty-five".

Divisors: 1 5 25 29 145 725 15077 75385 376925 437233 2186165 10930825