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285675815348 = 227115915720659
BaseRepresentation
bin1000010100000111001…
…10110000000110110100
31000022101020110001102122
410022003212300012310
514140031002042343
6335123200055112
726432212236140
oct4120346600664
91008336401378
10285675815348
11100177606370
1247448304498
1320c29304bc1
14db8099c220
15766ed91068
hex42839b01b4

285675815348 has 48 divisors (see below), whose sum is σ = 633857011200. Its totient is φ = 109415779680.

The previous prime is 285675815287. The next prime is 285675815431. The reversal of 285675815348 is 843518576582.

It is a super-2 number, since 2×2856758153482 (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7842158 + ... + 7878501.

It is an arithmetic number, because the mean of its divisors is an integer number (13205354400).

Almost surely, 2285675815348 is an apocalyptic number.

285675815348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

285675815348 is an abundant number, since it is smaller than the sum of its proper divisors (348181195852).

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

285675815348 is a wasteful number, since it uses less digits than its factorization.

285675815348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15720740 (or 15720738 counting only the distinct ones).

The product of its digits is 64512000, while the sum is 62.

The spelling of 285675815348 in words is "two hundred eighty-five billion, six hundred seventy-five million, eight hundred fifteen thousand, three hundred forty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 59 77 118 154 236 308 413 649 826 1298 1652 2596 4543 9086 18172 15720659 31441318 62882636 110044613 172927249 220089226 345854498 440178452 691708996 927518881 1210490743 1855037762 2420981486 3710075524 4841962972 6492632167 10202707691 12985264334 20405415382 25970528668 40810830764 71418953837 142837907674 285675815348