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283321896 = 2331113312663
BaseRepresentation
bin10000111000110…
…010011000101000
3201202010020120120
4100320302120220
51040012300041
644040323240
710010124234
oct2070623050
9652106516
10283321896
11135a22a30
127aa73520
134690b6c0
14298b15c4
1519d17366
hex10e32628

283321896 has 128 divisors (see below), whose sum is σ = 859299840. Its totient is φ = 76665600.

The previous prime is 283321823. The next prime is 283321897. The reversal of 283321896 is 698123382.

It is not an unprimeable number, because it can be changed into a prime (283321897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105061 + ... + 107723.

It is an arithmetic number, because the mean of its divisors is an integer number (6713280).

Almost surely, 2283321896 is an apocalyptic number.

283321896 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283321896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429649920).

283321896 is an abundant number, since it is smaller than the sum of its proper divisors (575977944).

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

283321896 is a wasteful number, since it uses less digits than its factorization.

283321896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727 (or 2723 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 283321896 is about 16832.1684877499. The cubic root of 283321896 is about 656.7902742854.

The spelling of 283321896 in words is "two hundred eighty-three million, three hundred twenty-one thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 11 12 13 22 24 26 31 33 39 44 52 62 66 78 88 93 104 124 132 143 156 186 248 264 286 312 341 372 403 429 572 682 744 806 858 1023 1144 1209 1364 1612 1716 2046 2418 2663 2728 3224 3432 4092 4433 4836 5326 7989 8184 8866 9672 10652 13299 15978 17732 21304 26598 29293 31956 34619 35464 53196 58586 63912 69238 82553 87879 103857 106392 117172 138476 165106 175758 207714 234344 247659 276952 330212 351516 380809 415428 495318 660424 703032 761618 830856 908083 990636 1073189 1142427 1523236 1816166 1981272 2146378 2284854 2724249 3046472 3219567 3632332 4292756 4569708 5448498 6439134 7264664 8585512 9139416 10896996 11805079 12878268 21793992 23610158 25756536 35415237 47220316 70830474 94440632 141660948 283321896