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66882230 = 2561831321
BaseRepresentation
bin1111111100100…
…0101010110110
311122211222011122
43333020222312
5114110212410
610345303542
71441326632
oct377105266
9148758148
1066882230
1134831678
121a494bb2
1310b196ac
148c4ddc2
155d11e55
hex3fc8ab6

66882230 has 32 divisors (see below), whose sum is σ = 123929568. Its totient is φ = 25977600.

The previous prime is 66882203. The next prime is 66882241. The reversal of 66882230 is 3228866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49970 + ... + 51290.

It is an arithmetic number, because the mean of its divisors is an integer number (3872799).

Almost surely, 266882230 is an apocalyptic number.

66882230 is a deficient number, since it is larger than the sum of its proper divisors (57047338).

66882230 is a wasteful number, since it uses less digits than its factorization.

66882230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 66882230 is about 8178.1556600495. The cubic root of 66882230 is about 405.9166960862.

The spelling of 66882230 in words is "sixty-six million, eight hundred eighty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 61 83 122 166 305 415 610 830 1321 2642 5063 6605 10126 13210 25315 50630 80581 109643 161162 219286 402905 548215 805810 1096430 6688223 13376446 33441115 66882230