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385194219 = 3301142643
BaseRepresentation
bin10110111101011…
…001100011101011
3222211210220010120
4112331121203223
51242102203334
6102120014323
712355045134
oct2675314353
9884726116
10385194219
11188483133
12a90013a3
1361a59497
143922cc8b
1523c3b949
hex16f598eb

385194219 has 8 divisors (see below), whose sum is σ = 513774912. Its totient is φ = 256704840.

The previous prime is 385194203. The next prime is 385194289. The reversal of 385194219 is 912491583.

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

It is not a de Polignac number, because 385194219 - 24 = 385194203 is a prime.

It is a super-2 number, since 2×3851942192 = 296749172702039922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (385194289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12289 + ... + 30354.

It is an arithmetic number, because the mean of its divisors is an integer number (64221864).

Almost surely, 2385194219 is an apocalyptic number.

385194219 is a deficient number, since it is larger than the sum of its proper divisors (128580693).

385194219 is a wasteful number, since it uses less digits than its factorization.

385194219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45657.

The product of its digits is 77760, while the sum is 42.

The square root of 385194219 is about 19626.3654047304. The cubic root of 385194219 is about 727.6009434688.

The spelling of 385194219 in words is "three hundred eighty-five million, one hundred ninety-four thousand, two hundred nineteen".

Divisors: 1 3 3011 9033 42643 127929 128398073 385194219