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5728351 = 7180681
BaseRepresentation
bin10101110110100001011111
3101210000211011
4111312201133
52431301401
6322440051
766455506
oct25664137
911700734
105728351
113262882
121b03027
131257475
14a9183d
15782451
hex57685f

5728351 has 4 divisors (see below), whose sum is σ = 5809104. Its totient is φ = 5647600.

The previous prime is 5728319. The next prime is 5728363. The reversal of 5728351 is 1538275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5728351 - 25 = 5728319 is a prime.

It is a Smith number, since the sum of its digits (31) 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (5728301) 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, 40270 + ... + 40411.

It is an arithmetic number, because the mean of its divisors is an integer number (1452276).

Almost surely, 25728351 is an apocalyptic number.

5728351 is a deficient number, since it is larger than the sum of its proper divisors (80753).

5728351 is an equidigital number, since it uses as much as digits as its factorization.

5728351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80752.

The product of its digits is 8400, while the sum is 31.

The square root of 5728351 is about 2393.3973761162. The cubic root of 5728351 is about 178.9272719328.

The spelling of 5728351 in words is "five million, seven hundred twenty-eight thousand, three hundred fifty-one".

Divisors: 1 71 80681 5728351