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490679 = 7191367
BaseRepresentation
bin1110111110010110111
3220221002022
41313302313
5111200204
614303355
74112360
oct1676267
9827068
10490679
11305722
121b7b5b
13142457
14cab67
159a5be
hex77cb7

490679 has 8 divisors (see below), whose sum is σ = 565248. Its totient is φ = 417240.

The previous prime is 490663. The next prime is 490697. The reversal of 490679 is 976094.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 490679 - 24 = 490663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154 + ... + 1520.

It is an arithmetic number, because the mean of its divisors is an integer number (70656).

2490679 is an apocalyptic number.

490679 is a deficient number, since it is larger than the sum of its proper divisors (74569).

490679 is a wasteful number, since it uses less digits than its factorization.

490679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 490679 is about 700.4848320985. The cubic root of 490679 is about 78.8737501717.

The spelling of 490679 in words is "four hundred ninety thousand, six hundred seventy-nine".

Divisors: 1 7 191 367 1337 2569 70097 490679