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681058 = 2748647
BaseRepresentation
bin10100110010001100010
31021121020101
42212101202
5133243213
622333014
75534410
oct2462142
91247211
10681058
11425764
1228a16a
131aacc1
1413a2b0
15d6bdd
hexa6462

681058 has 8 divisors (see below), whose sum is σ = 1167552. Its totient is φ = 291876.

The previous prime is 681049. The next prime is 681061. The reversal of 681058 is 850186.

It is a happy number.

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

It is an unprimeable number.

681058 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 3 ways as a sum of consecutive naturals, for example, 24310 + ... + 24337.

It is an arithmetic number, because the mean of its divisors is an integer number (145944).

2681058 is an apocalyptic number.

681058 is a deficient number, since it is larger than the sum of its proper divisors (486494).

681058 is a wasteful number, since it uses less digits than its factorization.

681058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48656.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 681058 is about 825.2623825184. The cubic root of 681058 is about 87.9821761422.

The spelling of 681058 in words is "six hundred eighty-one thousand, fifty-eight".

Divisors: 1 2 7 14 48647 97294 340529 681058