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676506 = 23137823
BaseRepresentation
bin10100101001010011010
31021100222210
42211022122
5133122011
622255550
75515215
oct2451232
91240883
10676506
114222a6
122875b6
131a8bcc
1413877c
15d56a6
hexa529a

676506 has 16 divisors (see below), whose sum is σ = 1364544. Its totient is φ = 223584.

The previous prime is 676493. The next prime is 676523. The reversal of 676506 is 605676.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 676506.

It is an unprimeable number.

676506 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411 + ... + 1233.

It is an arithmetic number, because the mean of its divisors is an integer number (85284).

2676506 is an apocalyptic number.

It is a pronic number, being equal to 822×823.

676506 is an abundant number, since it is smaller than the sum of its proper divisors (688038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

676506 is a wasteful number, since it uses less digits than its factorization.

676506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 676506 is about 822.4998480243. The cubic root of 676506 is about 87.7857217733.

The spelling of 676506 in words is "six hundred seventy-six thousand, five hundred six".

Divisors: 1 2 3 6 137 274 411 822 823 1646 2469 4938 112751 225502 338253 676506