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385980346 = 27310325667
BaseRepresentation
bin10111000000011…
…001011110111010
3222220021211111101
4113000121132322
51242302332341
6102144522014
712364531063
oct2700313672
9886254441
10385980346
1118896a824
12a932030a
1361c7324b
143939556a
1523d44831
hex170197ba

385980346 has 16 divisors (see below), whose sum is σ = 592622784. Its totient is φ = 188491104.

The previous prime is 385980323. The next prime is 385980347. The reversal of 385980346 is 643089583.

It is a junction number, because it is equal to n+sod(n) for n = 385980296 and 385980305.

It is not an unprimeable number, because it can be changed into a prime (385980347) 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, 2205 + ... + 27871.

It is an arithmetic number, because the mean of its divisors is an integer number (37038924).

Almost surely, 2385980346 is an apocalyptic number.

385980346 is a deficient number, since it is larger than the sum of its proper divisors (206642438).

385980346 is a wasteful number, since it uses less digits than its factorization.

385980346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25845.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 385980346 is about 19646.3825168910. The cubic root of 385980346 is about 728.0955840462.

The spelling of 385980346 in words is "three hundred eighty-five million, nine hundred eighty thousand, three hundred forty-six".

Divisors: 1 2 73 103 146 206 7519 15038 25667 51334 1873691 2643701 3747382 5287402 192990173 385980346