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385800912 = 24327373107
BaseRepresentation
bin10110111111101…
…101101011010000
3222212221201100200
4112333231223100
51242231112122
6102141015200
712363153000
oct2677555320
9885851320
10385800912
11188857a32
12a9254500
1361c0c683
143934a000
1523d0b5ac
hex16fedad0

385800912 has 240 divisors, whose sum is σ = 1288310400. Its totient is φ = 107702784.

The previous prime is 385800893. The next prime is 385800929. The reversal of 385800912 is 219008583.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3605563 + ... + 3605669.

It is an arithmetic number, because the mean of its divisors is an integer number (5367960).

Almost surely, 2385800912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385800912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644155200).

385800912 is an abundant number, since it is smaller than the sum of its proper divisors (902509488).

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

385800912 is a wasteful number, since it uses less digits than its factorization.

385800912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 385800912 is about 19641.8153947134. The cubic root of 385800912 is about 727.9827412082.

The spelling of 385800912 in words is "three hundred eighty-five million, eight hundred thousand, nine hundred twelve".