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76220650 = 25211139997
BaseRepresentation
bin1001000101100…
…00100011101010
312022102102002001
410202300203222
5124003030100
611321401214
71613602432
oct442604352
9168372061
1076220650
113a02a780
122163920a
1312a3909c
14a1a12c2
156a58d6a
hex48b08ea

76220650 has 48 divisors (see below), whose sum is σ = 155927520. Its totient is φ = 27489600.

The previous prime is 76220603. The next prime is 76220653. The reversal of 76220650 is 5602267.

It is not an unprimeable number, because it can be changed into a prime (76220653) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 75952 + ... + 76948.

It is an arithmetic number, because the mean of its divisors is an integer number (3248490).

Almost surely, 276220650 is an apocalyptic number.

76220650 is an abundant number, since it is smaller than the sum of its proper divisors (79706870).

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

76220650 is a wasteful number, since it uses less digits than its factorization.

76220650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 76220650 is about 8730.4438604231. The cubic root of 76220650 is about 423.9918897523.

It can be divided in two parts, 762 and 20650, that added together give a palindrome (21412).

The spelling of 76220650 in words is "seventy-six million, two hundred twenty thousand, six hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 139 275 278 550 695 997 1390 1529 1994 3058 3475 4985 6950 7645 9970 10967 15290 21934 24925 38225 49850 54835 76450 109670 138583 274175 277166 548350 692915 1385830 1524413 3048826 3464575 6929150 7622065 15244130 38110325 76220650