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2421745085 = 52221218077
BaseRepresentation
bin1001000001011000…
…1110010110111101
320020202221101201102
42100112032112331
514424431320320
61040150222445
7114004331204
oct22026162675
96222841642
102421745085
111033014a21
12577054a25
132c7960476
1418d8c023b
15e291e175
hex9058e5bd

2421745085 has 8 divisors (see below), whose sum is σ = 2907415896. Its totient is φ = 1936514880.

The previous prime is 2421745043. The next prime is 2421745099. The reversal of 2421745085 is 5805471242.

2421745085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 818303236 + 1603441849 = 28606^2 + 40043^2 .

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

It is not a de Polignac number, because 2421745085 - 212 = 2421740989 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 97934 + ... + 120143.

It is an arithmetic number, because the mean of its divisors is an integer number (363426987).

Almost surely, 22421745085 is an apocalyptic number.

It is an amenable number.

2421745085 is a deficient number, since it is larger than the sum of its proper divisors (485670811).

2421745085 is a wasteful number, since it uses less digits than its factorization.

2421745085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220303.

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 2421745085 is about 49211.2292571523. The cubic root of 2421745085 is about 1342.8973258336.

The spelling of 2421745085 in words is "two billion, four hundred twenty-one million, seven hundred forty-five thousand, eighty-five".

Divisors: 1 5 2221 11105 218077 1090385 484349017 2421745085