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84845713 = 619913687
BaseRepresentation
bin1010000111010…
…10010010010001
312220122121102211
411003222102101
5133210030323
612230312121
72050114411
oct503522221
9186577384
1084845713
1143990927
12244b8641
1314768b84
14b3a8641
1576ae70d
hex50ea491

84845713 has 4 divisors (see below), whose sum is σ = 84865600. Its totient is φ = 84825828.

The previous prime is 84845707. The next prime is 84845731. The reversal of 84845713 is 31754848.

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 84845713 - 213 = 84837521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84845743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645 + ... + 13042.

It is an arithmetic number, because the mean of its divisors is an integer number (21216400).

Almost surely, 284845713 is an apocalyptic number.

It is an amenable number.

84845713 is a deficient number, since it is larger than the sum of its proper divisors (19887).

84845713 is a wasteful number, since it uses less digits than its factorization.

84845713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19886.

The product of its digits is 107520, while the sum is 40.

The square root of 84845713 is about 9211.1732694592. The cubic root of 84845713 is about 439.4167772072.

It can be divided in two parts, 84845 and 713, that added together give a palindrome (85558).

The spelling of 84845713 in words is "eighty-four million, eight hundred forty-five thousand, seven hundred thirteen".

Divisors: 1 6199 13687 84845713