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5721369 = 31907123
BaseRepresentation
bin10101110100110100011001
3101202200020120
4111310310121
52431040434
6322343453
766426243
oct25646431
911680216
105721369
113258605
121abab89
131254234
14a8d093
15780349
hex574d19

5721369 has 4 divisors (see below), whose sum is σ = 7628496. Its totient is φ = 3814244.

The previous prime is 5721349. The next prime is 5721371. The reversal of 5721369 is 9631275.

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 5721369 - 27 = 5721241 is a prime.

It is a super-2 number, since 2×57213692 = 65468126468322, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (5721349) 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, 953559 + ... + 953564.

It is an arithmetic number, because the mean of its divisors is an integer number (1907124).

Almost surely, 25721369 is an apocalyptic number.

It is an amenable number.

5721369 is a deficient number, since it is larger than the sum of its proper divisors (1907127).

5721369 is a wasteful number, since it uses less digits than its factorization.

5721369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907126.

The product of its digits is 11340, while the sum is 33.

The square root of 5721369 is about 2391.9383353256. The cubic root of 5721369 is about 178.8545472159.

The spelling of 5721369 in words is "five million, seven hundred twenty-one thousand, three hundred sixty-nine".

Divisors: 1 3 1907123 5721369