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284413540 = 22528015077
BaseRepresentation
bin10000111100111…
…100111001100100
3201211011201000211
4100330330321210
51040302213130
644115545204
710022321665
oct2074747144
9654151024
10284413540
111365a9114
127b2bb204
1346c01548
1429ab736c
1519e80a2a
hex10f3ce64

284413540 has 24 divisors (see below), whose sum is σ = 597599352. Its totient is φ = 113702400.

The previous prime is 284413523. The next prime is 284413573. The reversal of 284413540 is 45314482.

It can be written as a sum of positive squares in 4 ways, for example, as 100160064 + 184253476 = 10008^2 + 13574^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53482 + ... + 58558.

It is an arithmetic number, because the mean of its divisors is an integer number (24899973).

Almost surely, 2284413540 is an apocalyptic number.

284413540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

284413540 is an abundant number, since it is smaller than the sum of its proper divisors (313185812).

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

284413540 is a wasteful number, since it uses less digits than its factorization.

284413540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7887 (or 7885 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 284413540 is about 16864.5646252727. The cubic root of 284413540 is about 657.6327345065.

It can be divided in two parts, 2844 and 13540, that added together give a 14-th power (16384 = 214).

The spelling of 284413540 in words is "two hundred eighty-four million, four hundred thirteen thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 2801 5077 5602 10154 11204 14005 20308 25385 28010 50770 56020 101540 14220677 28441354 56882708 71103385 142206770 284413540