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427245263 = 232807647
BaseRepresentation
bin11001011101110…
…011111011001111
31002202221022022122
4121131303323033
51333333322023
6110221203155
713405345004
oct3135637317
91082838278
10427245263
111aa194765
12bb1004bb
136a690763
1440a578ab
15277962c8
hex19773ecf

427245263 has 6 divisors (see below), whose sum is σ = 446629344. Its totient is φ = 408668876.

The previous prime is 427245257. The next prime is 427245277. The reversal of 427245263 is 362542724.

It is a de Polignac number, because none of the positive numbers 2k-427245263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427245283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 403295 + ... + 404352.

It is an arithmetic number, because the mean of its divisors is an integer number (74438224).

Almost surely, 2427245263 is an apocalyptic number.

427245263 is a deficient number, since it is larger than the sum of its proper divisors (19384081).

427245263 is an equidigital number, since it uses as much as digits as its factorization.

427245263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807693 (or 807670 counting only the distinct ones).

The product of its digits is 80640, while the sum is 35.

The square root of 427245263 is about 20669.9120220672. The cubic root of 427245263 is about 753.1689693928.

Adding to 427245263 its reverse (362542724), we get a palindrome (789787987).

The spelling of 427245263 in words is "four hundred twenty-seven million, two hundred forty-five thousand, two hundred sixty-three".

Divisors: 1 23 529 807647 18575881 427245263