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282891340 = 22514144567
BaseRepresentation
bin10000110111001…
…001010001001100
3201201022100222001
4100313021101030
51034410010330
644023202044
710003352044
oct2067112114
9651270861
10282891340
111357594a6
127a8a6324
13467ba734
14297dc724
1519c7e9ca
hex10dc944c

282891340 has 12 divisors (see below), whose sum is σ = 594071856. Its totient is φ = 113156528.

The previous prime is 282891311. The next prime is 282891359. The reversal of 282891340 is 43198282.

It is a self number, because there is not a number n which added to its sum of digits gives 282891340.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7072264 + ... + 7072303.

It is an arithmetic number, because the mean of its divisors is an integer number (49505988).

Almost surely, 2282891340 is an apocalyptic number.

282891340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

282891340 is an abundant number, since it is smaller than the sum of its proper divisors (311180516).

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

282891340 is a wasteful number, since it uses less digits than its factorization.

282891340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14144576 (or 14144574 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 282891340 is about 16819.3739479209. The cubic root of 282891340 is about 656.4574039530.

The spelling of 282891340 in words is "two hundred eighty-two million, eight hundred ninety-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 14144567 28289134 56578268 70722835 141445670 282891340