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2280849284 = 22781458903
BaseRepresentation
bin1000011111110010…
…1111111110000100
312212221211011000102
42013330233332010
514132344134114
61014154303232
7110343620240
oct20774577604
95787734012
102280849284
11a7053090a
12537a27b18
132a46cb47c
14178cc5420
15d538c2de
hex87f2ff84

2280849284 has 12 divisors (see below), whose sum is σ = 4561698624. Its totient is φ = 977506824.

The previous prime is 2280849283. The next prime is 2280849289. The reversal of 2280849284 is 4829480822.

2280849284 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2280849283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40729424 + ... + 40729479.

It is an arithmetic number, because the mean of its divisors is an integer number (380141552).

Almost surely, 22280849284 is an apocalyptic number.

It is an amenable number.

2280849284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2280849284 is a wasteful number, since it uses less digits than its factorization.

2280849284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81458914 (or 81458912 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 47.

The square root of 2280849284 is about 47758.2378653149. The cubic root of 2280849284 is about 1316.3322739844.

The spelling of 2280849284 in words is "two billion, two hundred eighty million, eight hundred forty-nine thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 28 81458903 162917806 325835612 570212321 1140424642 2280849284