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5269721 = 31169991
BaseRepresentation
bin10100000110100011011001
3100220201200212
4110012203121
52322112341
6304540505
762535422
oct24064331
910821625
105269721
112a7a246
121921735
1311267a2
149b2649
156e15eb
hex5068d9

5269721 has 4 divisors (see below), whose sum is σ = 5439744. Its totient is φ = 5099700.

The previous prime is 5269717. The next prime is 5269723. The reversal of 5269721 is 1279625.

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 5269721 - 22 = 5269717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5269723) 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, 84965 + ... + 85026.

It is an arithmetic number, because the mean of its divisors is an integer number (1359936).

Almost surely, 25269721 is an apocalyptic number.

It is an amenable number.

5269721 is a deficient number, since it is larger than the sum of its proper divisors (170023).

5269721 is a wasteful number, since it uses less digits than its factorization.

5269721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170022.

The product of its digits is 7560, while the sum is 32.

The square root of 5269721 is about 2295.5872886911. The cubic root of 5269721 is about 174.0186816600.

The spelling of 5269721 in words is "five million, two hundred sixty-nine thousand, seven hundred twenty-one".

Divisors: 1 31 169991 5269721