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5312647 = 19279613
BaseRepresentation
bin10100010001000010000111
3100222220120201
4110101002013
52330001042
6305511331
763104524
oct24210207
910886521
105312647
112aa951a
121942547
1311401a2
149c414b
156ee1b7
hex511087

5312647 has 4 divisors (see below), whose sum is σ = 5592280. Its totient is φ = 5033016.

The previous prime is 5312641. The next prime is 5312651. The reversal of 5312647 is 7462135.

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 5312647 - 27 = 5312519 is a prime.

It is an Ulam number.

It is a Duffinian number.

5312647 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312641) 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, 139788 + ... + 139825.

It is an arithmetic number, because the mean of its divisors is an integer number (1398070).

Almost surely, 25312647 is an apocalyptic number.

5312647 is a deficient number, since it is larger than the sum of its proper divisors (279633).

5312647 is a wasteful number, since it uses less digits than its factorization.

5312647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279632.

The product of its digits is 5040, while the sum is 28.

The square root of 5312647 is about 2304.9180028799. The cubic root of 5312647 is about 174.4899105559.

The spelling of 5312647 in words is "five million, three hundred twelve thousand, six hundred forty-seven".

Divisors: 1 19 279613 5312647