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10379869 = 37280537
BaseRepresentation
bin100111100110…
…001001011101
3201112100111121
4213212021131
510124123434
61010250541
7154141003
oct47461135
921470447
1010379869
11594a605
123586a51
1321c5746
141542a73
15da07b4
hex9e625d

10379869 has 4 divisors (see below), whose sum is σ = 10660444. Its totient is φ = 10099296.

The previous prime is 10379867. The next prime is 10379879. The reversal of 10379869 is 96897301.

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 4796100 + 5583769 = 2190^2 + 2363^2 .

It is a cyclic number.

It is not a de Polignac number, because 10379869 - 21 = 10379867 is a prime.

It is a super-2 number, since 2×103798692 = 215483360914322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10379867) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 140232 + ... + 140305.

It is an arithmetic number, because the mean of its divisors is an integer number (2665111).

Almost surely, 210379869 is an apocalyptic number.

It is an amenable number.

10379869 is a deficient number, since it is larger than the sum of its proper divisors (280575).

10379869 is an equidigital number, since it uses as much as digits as its factorization.

10379869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280574.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 10379869 is about 3221.7804084077. The cubic root of 10379869 is about 218.1376469872.

The spelling of 10379869 in words is "ten million, three hundred seventy-nine thousand, eight hundred sixty-nine".

Divisors: 1 37 280537 10379869