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10279225 = 521137379
BaseRepresentation
bin100111001101…
…100100111001
3201100020110001
4213031210321
510112413400
61004153001
7153241405
oct47154471
921306401
1010279225
115890a30
123538761
13218b9a8
141518105
15d80a6a
hex9cd939

10279225 has 12 divisors (see below), whose sum is σ = 13905360. Its totient is φ = 7475600.

The previous prime is 10279219. The next prime is 10279267. The reversal of 10279225 is 52297201.

It is not a de Polignac number, because 10279225 - 217 = 10148153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10279193 and 10279202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18415 + ... + 18964.

It is an arithmetic number, because the mean of its divisors is an integer number (1158780).

Almost surely, 210279225 is an apocalyptic number.

It is an amenable number.

10279225 is a deficient number, since it is larger than the sum of its proper divisors (3626135).

10279225 is a wasteful number, since it uses less digits than its factorization.

10279225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37400 (or 37395 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 10279225 is about 3206.1230481689. The cubic root of 10279225 is about 217.4303295591.

The spelling of 10279225 in words is "ten million, two hundred seventy-nine thousand, two hundred twenty-five".

Divisors: 1 5 11 25 55 275 37379 186895 411169 934475 2055845 10279225