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5756491 = 13442807
BaseRepresentation
bin10101111101011001001011
3101211110102101
4111331121023
52433201431
6323214231
766633526
oct25753113
911743371
105756491
113281a34
121b17377
131267210
14a9bbbd
1578a961
hex57d64b

5756491 has 4 divisors (see below), whose sum is σ = 6199312. Its totient is φ = 5313672.

The previous prime is 5756477. The next prime is 5756501. The reversal of 5756491 is 1946575.

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

It is not a de Polignac number, because 5756491 - 25 = 5756459 is a prime.

It is a Duffinian number.

5756491 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5756491.

It is not an unprimeable number, because it can be changed into a prime (5754491) 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, 221391 + ... + 221416.

It is an arithmetic number, because the mean of its divisors is an integer number (1549828).

Almost surely, 25756491 is an apocalyptic number.

5756491 is a deficient number, since it is larger than the sum of its proper divisors (442821).

5756491 is a wasteful number, since it uses less digits than its factorization.

5756491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442820.

The product of its digits is 37800, while the sum is 37.

The square root of 5756491 is about 2399.2688469615. The cubic root of 5756491 is about 179.2197814280.

The spelling of 5756491 in words is "five million, seven hundred fifty-six thousand, four hundred ninety-one".

Divisors: 1 13 442807 5756491