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5708021 = 11518911
BaseRepresentation
bin10101110001100011110101
3101201222221012
4111301203311
52430124041
6322202005
766342314
oct25614365
911658835
105708021
113249580
121ab3305
13124b137
14a8827b
1577b3eb
hex5718f5

5708021 has 4 divisors (see below), whose sum is σ = 6226944. Its totient is φ = 5189100.

The previous prime is 5708011. The next prime is 5708029. The reversal of 5708021 is 1208075.

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 not a de Polignac number, because 5708021 - 222 = 1513717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5708029) 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, 259445 + ... + 259466.

It is an arithmetic number, because the mean of its divisors is an integer number (1556736).

Almost surely, 25708021 is an apocalyptic number.

It is an amenable number.

5708021 is a deficient number, since it is larger than the sum of its proper divisors (518923).

5708021 is a wasteful number, since it uses less digits than its factorization.

5708021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518922.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 5708021 is about 2389.1465003218. The cubic root of 5708021 is about 178.7153492095.

The spelling of 5708021 in words is "five million, seven hundred eight thousand, twenty-one".

Divisors: 1 11 518911 5708021