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10081739 = 10699431
BaseRepresentation
bin100110011101…
…010111001011
3200222012112202
4212131113023
510040103424
61000030415
7151456553
oct46352713
920865482
1010081739
115766618
12346240b
13211cb35
1414a6163
15d422ae
hex99d5cb

10081739 has 4 divisors (see below), whose sum is σ = 10092240. Its totient is φ = 10071240.

The previous prime is 10081733. The next prime is 10081759. The reversal of 10081739 is 93718001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10081739 - 28 = 10081483 is a prime.

It is a super-2 number, since 2×100817392 = 203282922528242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10081733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3647 + ... + 5784.

It is an arithmetic number, because the mean of its divisors is an integer number (2523060).

Almost surely, 210081739 is an apocalyptic number.

10081739 is a deficient number, since it is larger than the sum of its proper divisors (10501).

10081739 is an equidigital number, since it uses as much as digits as its factorization.

10081739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10500.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 10081739 is about 3175.1754282244. The cubic root of 10081739 is about 216.0288813119.

The spelling of 10081739 in words is "ten million, eighty-one thousand, seven hundred thirty-nine".

Divisors: 1 1069 9431 10081739