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385023210 = 2351121341199
BaseRepresentation
bin10110111100101…
…111110011101010
3222211111012112220
4112330233303222
51242031220320
6102112214510
712353433435
oct2674576352
9884435486
10385023210
11188376700
12a8b3a436
13619c96b0
14391c681c
1523c05e40
hex16f2fcea

385023210 has 192 divisors, whose sum is σ = 1126137600. Its totient is φ = 83635200.

The previous prime is 385023181. The next prime is 385023229. The reversal of 385023210 is 12320583.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 1934691 + ... + 1934889.

It is an arithmetic number, because the mean of its divisors is an integer number (5865300).

Almost surely, 2385023210 is an apocalyptic number.

385023210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 385023210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563068800).

385023210 is an abundant number, since it is smaller than the sum of its proper divisors (741114390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385023210 is a wasteful number, since it uses less digits than its factorization.

385023210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 385023210 is about 19622.0083070006. The cubic root of 385023210 is about 727.4932534418.

Adding to 385023210 its reverse (12320583), we get a palindrome (397343793).

The spelling of 385023210 in words is "three hundred eighty-five million, twenty-three thousand, two hundred ten".