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2285381923 = 11375615189
BaseRepresentation
bin1000100000111000…
…0010100100100011
312220021100102121221
42020032002210203
514140024210143
61014435355511
7110430266026
oct21016024443
95807312557
102285381923
11a730472a0
12539452b97
132a56275c6
141797451bd
15d59852ed
hex88382923

2285381923 has 8 divisors (see below), whose sum is σ = 2560526640. Its totient is φ = 2021467680.

The previous prime is 2285381911. The next prime is 2285381939. The reversal of 2285381923 is 3291835822.

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

It is a cyclic number.

It is not a de Polignac number, because 2285381923 - 221 = 2283284771 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2285381923.

It is not an unprimeable number, because it can be changed into a prime (2285381953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2807188 + ... + 2808001.

It is an arithmetic number, because the mean of its divisors is an integer number (320065830).

Almost surely, 22285381923 is an apocalyptic number.

2285381923 is a deficient number, since it is larger than the sum of its proper divisors (275144717).

2285381923 is a wasteful number, since it uses less digits than its factorization.

2285381923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615237.

The product of its digits is 207360, while the sum is 43.

The square root of 2285381923 is about 47805.6683145419. The cubic root of 2285381923 is about 1317.2036615418.

The spelling of 2285381923 in words is "two billion, two hundred eighty-five million, three hundred eighty-one thousand, nine hundred twenty-three".

Divisors: 1 11 37 407 5615189 61767079 207761993 2285381923