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220766042 = 2743366721
BaseRepresentation
bin11010010100010…
…01111101011010
3120101102002002002
431022021331122
5423004003132
633523441002
75320323530
oct1512117532
9511362062
10220766042
11103686882
1261b26162
13369782c3
142146a150
15145ac262
hexd289f5a

220766042 has 16 divisors (see below), whose sum is σ = 387258432. Its totient is φ = 92413440.

The previous prime is 220766033. The next prime is 220766057. The reversal of 220766042 is 240667022.

It is a junction number, because it is equal to n+sod(n) for n = 220765996 and 220766014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182759 + ... + 183962.

It is an arithmetic number, because the mean of its divisors is an integer number (24203652).

Almost surely, 2220766042 is an apocalyptic number.

220766042 is a deficient number, since it is larger than the sum of its proper divisors (166492390).

220766042 is a wasteful number, since it uses less digits than its factorization.

220766042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366773.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 220766042 is about 14858.1978045791. The cubic root of 220766042 is about 604.3809363267.

The spelling of 220766042 in words is "two hundred twenty million, seven hundred sixty-six thousand, forty-two".

Divisors: 1 2 7 14 43 86 301 602 366721 733442 2567047 5134094 15769003 31538006 110383021 220766042