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676990 = 2567699
BaseRepresentation
bin10100101010001111110
31021101122201
42211101332
5133130430
622302114
75516506
oct2452176
91241581
10676990
114226a6
1228793a
131a91b2
14138a06
15d58ca
hexa547e

676990 has 8 divisors (see below), whose sum is σ = 1218600. Its totient is φ = 270792.

The previous prime is 676987. The next prime is 676993. The reversal of 676990 is 99676.

It is an interprime number because it is at equal distance from previous prime (676987) and next prime (676993).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676993) 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, 33840 + ... + 33859.

It is an arithmetic number, because the mean of its divisors is an integer number (152325).

2676990 is an apocalyptic number.

676990 is a deficient number, since it is larger than the sum of its proper divisors (541610).

676990 is a wasteful number, since it uses less digits than its factorization.

676990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67706.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 676990 is about 822.7940203964. The cubic root of 676990 is about 87.8066519452.

It can be divided in two parts, 6769 and 90, that added together give a cube (6859 = 193).

The spelling of 676990 in words is "six hundred seventy-six thousand, nine hundred ninety".

Divisors: 1 2 5 10 67699 135398 338495 676990