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10261049 = 15765357
BaseRepresentation
bin100111001001…
…001000111001
3201022022111212
4213021020321
510111323144
61003532505
7153134411
oct47111071
921268455
1010261049
115879307
12352a135
132183636
141511641
15d7a49e
hex9c9239

10261049 has 4 divisors (see below), whose sum is σ = 10326564. Its totient is φ = 10195536.

The previous prime is 10261039. The next prime is 10261051. The reversal of 10261049 is 94016201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6864400 + 3396649 = 2620^2 + 1843^2 .

It is a cyclic number.

It is not a de Polignac number, because 10261049 - 28 = 10260793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10261019) 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 3 ways as a sum of consecutive naturals, for example, 32522 + ... + 32835.

It is an arithmetic number, because the mean of its divisors is an integer number (2581641).

Almost surely, 210261049 is an apocalyptic number.

It is an amenable number.

10261049 is a deficient number, since it is larger than the sum of its proper divisors (65515).

10261049 is an equidigital number, since it uses as much as digits as its factorization.

10261049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65514.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 10261049 is about 3203.2872178436. The cubic root of 10261049 is about 217.3020985783.

The spelling of 10261049 in words is "ten million, two hundred sixty-one thousand, forty-nine".

Divisors: 1 157 65357 10261049