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5705729 = 12744927
BaseRepresentation
bin10101110001000000000001
3101201212210022
4111301000001
52430040404
6322143225
766332531
oct25610001
911655708
105705729
113247887
121ab1b15
13124a093
14a874c1
1577a8be
hex571001

5705729 has 4 divisors (see below), whose sum is σ = 5750784. Its totient is φ = 5660676.

The previous prime is 5705699. The next prime is 5705731. The reversal of 5705729 is 9275075.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5705729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5705789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22337 + ... + 22590.

It is an arithmetic number, because the mean of its divisors is an integer number (1437696).

It is a Proth number, since it is equal to 1393 ⋅ 212 + 1 and 1393 < 212.

Almost surely, 25705729 is an apocalyptic number.

It is an amenable number.

5705729 is a deficient number, since it is larger than the sum of its proper divisors (45055).

5705729 is a wasteful number, since it uses less digits than its factorization.

5705729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45054.

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 5705729 is about 2388.6667829566. Note that the first 3 decimals coincide. The cubic root of 5705729 is about 178.6914255403.

The spelling of 5705729 in words is "five million, seven hundred five thousand, seven hundred twenty-nine".

Divisors: 1 127 44927 5705729