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2280764638 = 210311071673
BaseRepresentation
bin1000011111110001…
…1011010011011110
312212221122211220101
42013330123103132
514132333432023
61014152411314
7110343115405
oct20774332336
95787584811
102280764638
11a70483259
125379a6b3a
132a469ba99
14178ca263c
15d53721ad
hex87f1b4de

2280764638 has 8 divisors (see below), whose sum is σ = 3454362288. Its totient is φ = 1129310544.

The previous prime is 2280764611. The next prime is 2280764683. The reversal of 2280764638 is 8364670822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 5535631 + ... + 5536042.

It is an arithmetic number, because the mean of its divisors is an integer number (431795286).

Almost surely, 22280764638 is an apocalyptic number.

2280764638 is a deficient number, since it is larger than the sum of its proper divisors (1173597650).

2280764638 is a wasteful number, since it uses less digits than its factorization.

2280764638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11071778.

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 2280764638 is about 47757.3516644296. The cubic root of 2280764638 is about 1316.3159900442.

The spelling of 2280764638 in words is "two billion, two hundred eighty million, seven hundred sixty-four thousand, six hundred thirty-eight".

Divisors: 1 2 103 206 11071673 22143346 1140382319 2280764638