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10075729 = 37272317
BaseRepresentation
bin100110011011…
…111001010001
3200221220022011
4212123321101
510034410404
6555542521
7151433206
oct46337121
920856264
1010075729
115762054
12345aa41
13211a191
1414a3cad
15d40604
hex99be51

10075729 has 4 divisors (see below), whose sum is σ = 10348084. Its totient is φ = 9803376.

The previous prime is 10075711. The next prime is 10075763. The reversal of 10075729 is 92757001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92757001 = 442120981.

It can be written as a sum of positive squares in 2 ways, for example, as 8179600 + 1896129 = 2860^2 + 1377^2 .

It is a cyclic number.

It is not a de Polignac number, because 10075729 - 25 = 10075697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10075729.

It is not an unprimeable number, because it can be changed into a prime (10075129) 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, 136122 + ... + 136195.

It is an arithmetic number, because the mean of its divisors is an integer number (2587021).

Almost surely, 210075729 is an apocalyptic number.

It is an amenable number.

10075729 is a deficient number, since it is larger than the sum of its proper divisors (272355).

10075729 is an equidigital number, since it uses as much as digits as its factorization.

10075729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272354.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 10075729 is about 3174.2288827367. The cubic root of 10075729 is about 215.9859458734.

The spelling of 10075729 in words is "ten million, seventy-five thousand, seven hundred twenty-nine".

Divisors: 1 37 272317 10075729