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2420306255 = 5484061251
BaseRepresentation
bin1001000001000010…
…1111000101001111
320020200020022000102
42100100233011033
514424044300010
61040055321315
7113656156313
oct22020570517
96220208012
102420306255
111032221a04
1257668023b
132c75785a3
1418d627b43
15e2737ba5
hex9042f14f

2420306255 has 4 divisors (see below), whose sum is σ = 2904367512. Its totient is φ = 1936245000.

The previous prime is 2420306237. The next prime is 2420306377. The reversal of 2420306255 is 5526030242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5526030242 = 22763015121.

It is not a de Polignac number, because 2420306255 - 28 = 2420305999 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 3 ways as a sum of consecutive naturals, for example, 242030621 + ... + 242030630.

It is an arithmetic number, because the mean of its divisors is an integer number (726091878).

Almost surely, 22420306255 is an apocalyptic number.

2420306255 is a deficient number, since it is larger than the sum of its proper divisors (484061257).

2420306255 is an equidigital number, since it uses as much as digits as its factorization.

2420306255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484061256.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2420306255 is about 49196.6081656043. The cubic root of 2420306255 is about 1342.6313215437.

Adding to 2420306255 its reverse (5526030242), we get a palindrome (7946336497).

The spelling of 2420306255 in words is "two billion, four hundred twenty million, three hundred six thousand, two hundred fifty-five".

Divisors: 1 5 484061251 2420306255