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2402420443 = 2872383641
BaseRepresentation
bin1000111100110010…
…0000011011011011
320012102120121021221
42033030200123123
514410004423233
61034220112511
7113351144143
oct21714403333
96172517257
102402420443
111023116045
12570695737
132c3955577
1418b0cd923
15e0da342d
hex8f3206db

2402420443 has 4 divisors (see below), whose sum is σ = 2402532808. Its totient is φ = 2402308080.

The previous prime is 2402420431. The next prime is 2402420483. The reversal of 2402420443 is 3440242042.

2402420443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3440242042 = 21720121021.

It is a cyclic number.

It is not a de Polignac number, because 2402420443 - 29 = 2402419931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2402420483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13098 + ... + 70543.

It is an arithmetic number, because the mean of its divisors is an integer number (600633202).

Almost surely, 22402420443 is an apocalyptic number.

2402420443 is a deficient number, since it is larger than the sum of its proper divisors (112365).

2402420443 is an equidigital number, since it uses as much as digits as its factorization.

2402420443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112364.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 2402420443 is about 49014.4921732338. The cubic root of 2402420443 is about 1339.3158390239.

Adding to 2402420443 its reverse (3440242042), we get a palindrome (5842662485).

The spelling of 2402420443 in words is "two billion, four hundred two million, four hundred twenty thousand, four hundred forty-three".

Divisors: 1 28723 83641 2402420443