Search a number
-
+
680144298 = 23573719759
BaseRepresentation
bin101000100010100…
…010110110101010
31202101210220120120
4220202202312222
52343104104143
6151253504110
722566062661
oct5042426652
91671726516
10680144298
11319a18529
1216b942036
13aaba9862
1466489dd8
153ea9e383
hex288a2daa

680144298 has 16 divisors (see below), whose sum is σ = 1360594560. Its totient is φ = 226663776.

The previous prime is 680144263. The next prime is 680144299. The reversal of 680144298 is 892441086.

It is a super-2 number, since 2×6801442982 = 925192532203825608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (680144299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24543 + ... + 44301.

It is an arithmetic number, because the mean of its divisors is an integer number (85037160).

Almost surely, 2680144298 is an apocalyptic number.

680144298 is an abundant number, since it is smaller than the sum of its proper divisors (680450262).

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

680144298 is a wasteful number, since it uses less digits than its factorization.

680144298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25501.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 680144298 is about 26079.5762618951. The cubic root of 680144298 is about 879.4281313783.

The spelling of 680144298 in words is "six hundred eighty million, one hundred forty-four thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 5737 11474 17211 19759 34422 39518 59277 118554 113357383 226714766 340072149 680144298