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2308864481 = 71129985253
BaseRepresentation
bin1000100110011110…
…0111100111100001
312221220112110122022
42021213213213201
514212032130411
61021034551225
7111134011220
oct21147474741
95856473568
102308864481
11a85326070
12545298515
132aa459c01
1417c8d8cb7
15d7a72edb
hex899e79e1

2308864481 has 8 divisors (see below), whose sum is σ = 2878584384. Its totient is φ = 1799115120.

The previous prime is 2308864427. The next prime is 2308864483. The reversal of 2308864481 is 1844688032.

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

It is not a de Polignac number, because 2308864481 - 214 = 2308848097 is a prime.

It is a super-2 number, since 2×23088644812 = 10661710383246798722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2308864483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14992550 + ... + 14992703.

It is an arithmetic number, because the mean of its divisors is an integer number (359823048).

Almost surely, 22308864481 is an apocalyptic number.

It is an amenable number.

2308864481 is a deficient number, since it is larger than the sum of its proper divisors (569719903).

2308864481 is a wasteful number, since it uses less digits than its factorization.

2308864481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29985271.

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 2308864481 is about 48050.6449592511. The cubic root of 2308864481 is about 1321.6997694355.

The spelling of 2308864481 in words is "two billion, three hundred eight million, eight hundred sixty-four thousand, four hundred eighty-one".

Divisors: 1 7 11 77 29985253 209896771 329837783 2308864481