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706980 = 223511783
BaseRepresentation
bin10101100100110100100
31022220210110
42230212210
5140110410
623053020
76003111
oct2544644
91286713
10706980
1144318a
122a1170
131b9a41
14145908
15de720
hexac9a4

706980 has 24 divisors (see below), whose sum is σ = 1979712. Its totient is φ = 188512.

The previous prime is 706973. The next prime is 706987. The reversal of 706980 is 89607.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (706973) and next prime (706987).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 706980.

It is not an unprimeable number, because it can be changed into a prime (706987) by changing a digit.

706980 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, 5832 + ... + 5951.

It is an arithmetic number, because the mean of its divisors is an integer number (82488).

2706980 is an apocalyptic number.

It is an amenable number.

706980 is an abundant number, since it is smaller than the sum of its proper divisors (1272732).

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

706980 is a wasteful number, since it uses less digits than its factorization.

706980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11795 (or 11793 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 706980 is about 840.8210273298. The cubic root of 706980 is about 89.0845470196.

The spelling of 706980 in words is "seven hundred six thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 11783 23566 35349 47132 58915 70698 117830 141396 176745 235660 353490 706980