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2421545455 = 57223429733
BaseRepresentation
bin1001000001010101…
…1101100111101111
320020202120020212201
42100111131213233
514424403423310
61040142042331
7114002540200
oct22025354757
96222506781
102421545455
111032998a3a
12576b793a7
132c78c0644
1418d86b5a7
15e28cee3a
hex9055d9ef

2421545455 has 24 divisors (see below), whose sum is σ = 3527256672. Its totient is φ = 1588289472.

The previous prime is 2421545359. The next prime is 2421545491. The reversal of 2421545455 is 5545451242.

It is not a de Polignac number, because 2421545455 - 213 = 2421537263 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 23 ways as a sum of consecutive naturals, for example, 209232 + ... + 220501.

It is an arithmetic number, because the mean of its divisors is an integer number (146969028).

Almost surely, 22421545455 is an apocalyptic number.

2421545455 is a deficient number, since it is larger than the sum of its proper divisors (1105711217).

2421545455 is a wasteful number, since it uses less digits than its factorization.

2421545455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429775 (or 429768 counting only the distinct ones).

The product of its digits is 160000, while the sum is 37.

The square root of 2421545455 is about 49209.2009181210. The cubic root of 2421545455 is about 1342.8604254511.

Adding to 2421545455 its reverse (5545451242), we get a palindrome (7966996697).

The spelling of 2421545455 in words is "two billion, four hundred twenty-one million, five hundred forty-five thousand, four hundred fifty-five".

Divisors: 1 5 7 23 35 49 115 161 245 805 1127 5635 429733 2148665 3008131 9883859 15040655 21056917 49419295 69187013 105284585 345935065 484309091 2421545455