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68372826 = 2361892099
BaseRepresentation
bin1000001001101…
…00100101011010
311202122200212220
410010310211122
5120000412301
610441244510
71460105454
oct404644532
9152580786
1068372826
113565a575
121aa93736
131121bcc2
14911b2d4
156008936
hex413495a

68372826 has 32 divisors (see below), whose sum is σ = 140616000. Its totient is φ = 22154880.

The previous prime is 68372819. The next prime is 68372851. The reversal of 68372826 is 62827386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31525 + ... + 33623.

It is an arithmetic number, because the mean of its divisors is an integer number (4394250).

Almost surely, 268372826 is an apocalyptic number.

68372826 is an abundant number, since it is smaller than the sum of its proper divisors (72243174).

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

68372826 is a wasteful number, since it uses less digits than its factorization.

68372826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254.

The product of its digits is 193536, while the sum is 42.

The square root of 68372826 is about 8268.7862470861. The cubic root of 68372826 is about 408.9101055217.

The spelling of 68372826 in words is "sixty-eight million, three hundred seventy-two thousand, eight hundred twenty-six".

Divisors: 1 2 3 6 61 89 122 178 183 267 366 534 2099 4198 5429 6297 10858 12594 16287 32574 128039 186811 256078 373622 384117 560433 768234 1120866 11395471 22790942 34186413 68372826