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5707021 = 10915231
BaseRepresentation
bin10101110001010100001101
3101201221120011
4111301110031
52430111041
6322153221
766336355
oct25612415
911657504
105707021
113248851
121ab2811
13124a848
14a87b65
1577ae81
hex57150d

5707021 has 4 divisors (see below), whose sum is σ = 5713344. Its totient is φ = 5700700.

The previous prime is 5707001. The next prime is 5707027. The reversal of 5707021 is 1207075.

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, 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 5707021 - 213 = 5698829 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5706983 and 5707001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5707027) 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, 1525 + ... + 3706.

It is an arithmetic number, because the mean of its divisors is an integer number (1428336).

Almost surely, 25707021 is an apocalyptic number.

It is an amenable number.

5707021 is a deficient number, since it is larger than the sum of its proper divisors (6323).

5707021 is a wasteful number, since it uses less digits than its factorization.

5707021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6322.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 5707021 is about 2388.9372113976. The cubic root of 5707021 is about 178.7049120961.

The spelling of 5707021 in words is "five million, seven hundred seven thousand, twenty-one".

Divisors: 1 1091 5231 5707021