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1423222005 = 351131814639
BaseRepresentation
bin101010011010100…
…1010010011110101
310200012001011120010
41110311022103311
510403321101010
6353120330433
750161121202
oct12465122365
93605034503
101423222005
1167040a837
12338773a19
13198b1c5ca
14d7038ca9
1584e30620
hex54d4a4f5

1423222005 has 32 divisors (see below), whose sum is σ = 2310497280. Its totient is φ = 748016640.

The previous prime is 1423222001. The next prime is 1423222027. The reversal of 1423222005 is 5002223241.

It is not a de Polignac number, because 1423222005 - 22 = 1423222001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423222001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304476 + ... + 309114.

It is an arithmetic number, because the mean of its divisors is an integer number (72203040).

Almost surely, 21423222005 is an apocalyptic number.

1423222005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1423222005 is a deficient number, since it is larger than the sum of its proper divisors (887275275).

1423222005 is a wasteful number, since it uses less digits than its factorization.

1423222005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1423222005 is about 37725.6147067215. The cubic root of 1423222005 is about 1124.8403407991.

Adding to 1423222005 its reverse (5002223241), we get a palindrome (6425445246).

The spelling of 1423222005 in words is "one billion, four hundred twenty-three million, two hundred twenty-two thousand, five".

Divisors: 1 3 5 15 113 181 339 543 565 905 1695 2715 4639 13917 20453 23195 61359 69585 102265 306795 524207 839659 1572621 2518977 2621035 4198295 7863105 12594885 94881467 284644401 474407335 1423222005