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282845420 = 225111398897
BaseRepresentation
bin10000110110111…
…110000011101100
3201201020000222022
4100312332003230
51034402023140
644022205312
710003101134
oct2066760354
9651200868
10282845420
11135727a50
127a883838
13467a2870
14297c9ac4
1519c710b5
hex10dbe0ec

282845420 has 48 divisors (see below), whose sum is σ = 697824288. Its totient is φ = 94940160.

The previous prime is 282845413. The next prime is 282845449. The reversal of 282845420 is 24548282.

It is a super-2 number, since 2×2828454202 = 160003063229952800, which contains 22 as substring.

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, 46589 + ... + 52308.

It is an arithmetic number, because the mean of its divisors is an integer number (14538006).

Almost surely, 2282845420 is an apocalyptic number.

282845420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

282845420 is an abundant number, since it is smaller than the sum of its proper divisors (414978868).

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

282845420 is a wasteful number, since it uses less digits than its factorization.

282845420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98930 (or 98928 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 282845420 is about 16818.0088000928. The cubic root of 282845420 is about 656.4218824754.

The spelling of 282845420 in words is "two hundred eighty-two million, eight hundred forty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 98897 197794 395588 494485 988970 1087867 1285661 1977940 2175734 2571322 4351468 5142644 5439335 6428305 10878670 12856610 14142271 21757340 25713220 28284542 56569084 70711355 141422710 282845420