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5352781 = 7764683
BaseRepresentation
bin10100011010110101001101
3101001221122011
4110122311031
52332242111
6310421221
763332530
oct24326515
911057564
105352781
113026695
121961811
131155535
149d4a17
1570b021
hex51ad4d

5352781 has 4 divisors (see below), whose sum is σ = 6117472. Its totient is φ = 4588092.

The previous prime is 5352779. The next prime is 5352821. The reversal of 5352781 is 1872535.

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 5352781 - 21 = 5352779 is a prime.

It is a super-2 number, since 2×53527812 = 57304528867922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5352701) 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, 382335 + ... + 382348.

It is an arithmetic number, because the mean of its divisors is an integer number (1529368).

Almost surely, 25352781 is an apocalyptic number.

It is an amenable number.

5352781 is a deficient number, since it is larger than the sum of its proper divisors (764691).

5352781 is an equidigital number, since it uses as much as digits as its factorization.

5352781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764690.

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

The square root of 5352781 is about 2313.6077887144. The cubic root of 5352781 is about 174.9281991162.

The spelling of 5352781 in words is "five million, three hundred fifty-two thousand, seven hundred eighty-one".

Divisors: 1 7 764683 5352781