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380084666 = 21314618641
BaseRepresentation
bin10110101001111…
…010000110111010
3222111012022010212
4112221322012322
51234300202131
6101414311122
712263444363
oct2651720672
9874168125
10380084666
11185603265
12a73584a2
136098a890
143869cb6a
152357ca2b
hex16a7a1ba

380084666 has 8 divisors (see below), whose sum is σ = 613982964. Its totient is φ = 175423680.

The previous prime is 380084659. The next prime is 380084671. The reversal of 380084666 is 666480083.

It can be written as a sum of positive squares in 2 ways, for example, as 376554025 + 3530641 = 19405^2 + 1879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7309295 + ... + 7309346.

Almost surely, 2380084666 is an apocalyptic number.

380084666 is a deficient number, since it is larger than the sum of its proper divisors (233898298).

380084666 is a wasteful number, since it uses less digits than its factorization.

380084666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14618656.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 380084666 is about 19495.7602057473. The cubic root of 380084666 is about 724.3694341287.

The spelling of 380084666 in words is "three hundred eighty million, eighty-four thousand, six hundred sixty-six".

Divisors: 1 2 13 26 14618641 29237282 190042333 380084666