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679085153 = 1196956737
BaseRepresentation
bin101000011110100…
…000010001100001
31202022211002200222
4220132200101201
52342321211103
6151215052425
722554062045
oct5036402141
91668732628
10679085153
113193647aa
1216b511115
13aa8c8746
1466292025
153e940638
hex287a0461

679085153 has 4 divisors (see below), whose sum is σ = 679153860. Its totient is φ = 679016448.

The previous prime is 679085107. The next prime is 679085171. The reversal of 679085153 is 351580976.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 208715809 + 470369344 = 14447^2 + 21688^2 .

It is a cyclic number.

It is not a de Polignac number, because 679085153 - 26 = 679085089 is a prime.

It is a super-2 number, since 2×6790851532 = 922313290050066818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679085353) 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, 16400 + ... + 40337.

It is an arithmetic number, because the mean of its divisors is an integer number (169788465).

Almost surely, 2679085153 is an apocalyptic number.

It is an amenable number.

679085153 is a deficient number, since it is larger than the sum of its proper divisors (68707).

679085153 is a wasteful number, since it uses less digits than its factorization.

679085153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68706.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 679085153 is about 26059.2623264742. The cubic root of 679085153 is about 878.9714019160.

The spelling of 679085153 in words is "six hundred seventy-nine million, eighty-five thousand, one hundred fifty-three".

Divisors: 1 11969 56737 679085153