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2042522405 = 57115305253
BaseRepresentation
bin111100110111110…
…0110101100100101
312021100100212222222
41321233212230211
513140341204110
6534402202125
7101421103550
oct17157465445
95240325888
102042522405
11958a50350
12490053345
13267215051
141553a7697
15be4b1c55
hex79be6b25

2042522405 has 16 divisors (see below), whose sum is σ = 3055826304. Its totient is φ = 1273260480.

The previous prime is 2042522371. The next prime is 2042522413. The reversal of 2042522405 is 5042252402.

It is not a de Polignac number, because 2042522405 - 210 = 2042521381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2652242 + ... + 2653011.

It is an arithmetic number, because the mean of its divisors is an integer number (190989144).

Almost surely, 22042522405 is an apocalyptic number.

It is an amenable number.

2042522405 is a deficient number, since it is larger than the sum of its proper divisors (1013303899).

2042522405 is a wasteful number, since it uses less digits than its factorization.

2042522405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5305276.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 2042522405 is about 45194.2740289077. The cubic root of 2042522405 is about 1268.7876509975.

Adding to 2042522405 its reverse (5042252402), we get a palindrome (7084774807).

The spelling of 2042522405 in words is "two billion, forty-two million, five hundred twenty-two thousand, four hundred five".

Divisors: 1 5 7 11 35 55 77 385 5305253 26526265 37136771 58357783 185683855 291788915 408504481 2042522405