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682615490 = 2568261549
BaseRepresentation
bin101000101011111…
…110001011000010
31202120110110102012
4220223332023002
52344222143430
6151422452522
722626064424
oct5053761302
91676413365
10682615490
11320356137
12170734142
13ab5635bb
1466930814
153eddb695
hex28afe2c2

682615490 has 8 divisors (see below), whose sum is σ = 1228707900. Its totient is φ = 273046192.

The previous prime is 682615477. The next prime is 682615511. The reversal of 682615490 is 94516286.

It is a happy number.

682615490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 586947529 + 95667961 = 24227^2 + 9781^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34130765 + ... + 34130784.

Almost surely, 2682615490 is an apocalyptic number.

682615490 is a deficient number, since it is larger than the sum of its proper divisors (546092410).

682615490 is a wasteful number, since it uses less digits than its factorization.

682615490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68261556.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 682615490 is about 26126.9112219566. The cubic root of 682615490 is about 880.4919296723.

The spelling of 682615490 in words is "six hundred eighty-two million, six hundred fifteen thousand, four hundred ninety".

Divisors: 1 2 5 10 68261549 136523098 341307745 682615490