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3220666364 = 221942377189
BaseRepresentation
bin1011111111110111…
…0111011111111100
322022110020210200102
42333331313133330
523043442310424
61251330020232
7142545132566
oct27775673774
98273223612
103220666364
111402a89343
1275a717678
133c4326356
14227a48336
1513cb317ae
hexbff777fc

3220666364 has 12 divisors (see below), whose sum is σ = 5932806600. Its totient is φ = 1525578768.

The previous prime is 3220666363. The next prime is 3220666403. The reversal of 3220666364 is 4636660223.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220666363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21188519 + ... + 21188670.

It is an arithmetic number, because the mean of its divisors is an integer number (494400550).

Almost surely, 23220666364 is an apocalyptic number.

It is an amenable number.

3220666364 is a deficient number, since it is larger than the sum of its proper divisors (2712140236).

3220666364 is a wasteful number, since it uses less digits than its factorization.

3220666364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42377212 (or 42377210 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 38.

The square root of 3220666364 is about 56750.9150939436. The cubic root of 3220666364 is about 1476.7781086640.

The spelling of 3220666364 in words is "three billion, two hundred twenty million, six hundred sixty-six thousand, three hundred sixty-four".

Divisors: 1 2 4 19 38 76 42377189 84754378 169508756 805166591 1610333182 3220666364