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283486540 = 22514174327
BaseRepresentation
bin10000111001011…
…010100101001100
3201202102121102111
4100321122211030
51040033032130
644044033404
710011411241
oct2071324514
9652377374
10283486540
111360256a7
127ab32864
134696861c
14299155c8
1519d4b02a
hex10e5a94c

283486540 has 12 divisors (see below), whose sum is σ = 595321776. Its totient is φ = 113394608.

The previous prime is 283486529. The next prime is 283486547. The reversal of 283486540 is 45684382.

It is a super-2 number, since 2×2834865402 = 160729236722343200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 283486493 and 283486502.

It is not an unprimeable number, because it can be changed into a prime (283486547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7087144 + ... + 7087183.

It is an arithmetic number, because the mean of its divisors is an integer number (49610148).

Almost surely, 2283486540 is an apocalyptic number.

283486540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

283486540 is an abundant number, since it is smaller than the sum of its proper divisors (311835236).

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

283486540 is a wasteful number, since it uses less digits than its factorization.

283486540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14174336 (or 14174334 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 283486540 is about 16837.0585317032. The cubic root of 283486540 is about 656.9174742882.

The spelling of 283486540 in words is "two hundred eighty-three million, four hundred eighty-six thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 14174327 28348654 56697308 70871635 141743270 283486540