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385142259 = 31710197411
BaseRepresentation
bin10110111101001…
…100110111110011
3222211201020212010
4112331030313303
51242044023014
6102114534003
712354440505
oct2675146763
9884636763
10385142259
11188448097
12a8b97303
1361a3b938
1439217d75
1523c2b359
hex16f4cdf3

385142259 has 16 divisors (see below), whose sum is σ = 544337280. Its totient is φ = 241388160.

The previous prime is 385142239. The next prime is 385142267. The reversal of 385142259 is 952241583.

It is not a de Polignac number, because 385142259 - 219 = 384617971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385142239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48264 + ... + 55674.

It is an arithmetic number, because the mean of its divisors is an integer number (34021080).

Almost surely, 2385142259 is an apocalyptic number.

385142259 is a deficient number, since it is larger than the sum of its proper divisors (159195021).

385142259 is a wasteful number, since it uses less digits than its factorization.

385142259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8450.

The product of its digits is 86400, while the sum is 39.

The square root of 385142259 is about 19625.0416305291. The cubic root of 385142259 is about 727.5682259086.

The spelling of 385142259 in words is "three hundred eighty-five million, one hundred forty-two thousand, two hundred fifty-nine".

Divisors: 1 3 17 51 1019 3057 7411 17323 22233 51969 125987 377961 7551809 22655427 128380753 385142259