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679104485 = 5135820897
BaseRepresentation
bin101000011110100…
…100111111100101
31202022212002012222
4220132210333211
52342322320420
6151215322125
722554202313
oct5036447745
91668762188
10679104485
11319378284
1216b520345
13aa904497
14662990b3
153e946225
hex287a4fe5

679104485 has 4 divisors (see below), whose sum is σ = 814925388. Its totient is φ = 543283584.

The previous prime is 679104467. The next prime is 679104493. The reversal of 679104485 is 584401976.

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

It can be written as a sum of positive squares in 2 ways, for example, as 147064129 + 532040356 = 12127^2 + 23066^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-679104485 is a prime.

It is a super-2 number, since 2×6791044852 = 922365803094230450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67910444 + ... + 67910453.

It is an arithmetic number, because the mean of its divisors is an integer number (203731347).

Almost surely, 2679104485 is an apocalyptic number.

It is an amenable number.

679104485 is a deficient number, since it is larger than the sum of its proper divisors (135820903).

679104485 is a wasteful number, since it uses less digits than its factorization.

679104485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135820902.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 679104485 is about 26059.6332476111. The cubic root of 679104485 is about 878.9797426049.

The spelling of 679104485 in words is "six hundred seventy-nine million, one hundred four thousand, four hundred eighty-five".

Divisors: 1 5 135820897 679104485