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1423404255 = 357132933559
BaseRepresentation
bin101010011010111…
…0110110011011111
310200012101102120010
41110311312303133
510403342414010
6353124254303
750162510430
oct12465666337
93605342503
101423404255
11670524759
12338841393
13198b84550
14d7085487
1584e69620
hex54d76cdf

1423404255 has 64 divisors (see below), whose sum is σ = 2813368320. Its totient is φ = 598427136.

The previous prime is 1423404253. The next prime is 1423404263. The reversal of 1423404255 is 5524043241.

It is not a de Polignac number, because 1423404255 - 21 = 1423404253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423404253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 398166 + ... + 401724.

It is an arithmetic number, because the mean of its divisors is an integer number (43958880).

Almost surely, 21423404255 is an apocalyptic number.

1423404255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1423404255 is a deficient number, since it is larger than the sum of its proper divisors (1389964065).

1423404255 is a wasteful number, since it uses less digits than its factorization.

1423404255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1423404255 is about 37728.0300969982. The cubic root of 1423404255 is about 1124.8883523770. Note that the first 3 decimals are identical.

Adding to 1423404255 its reverse (5524043241), we get a palindrome (6947447496).

The spelling of 1423404255 in words is "one billion, four hundred twenty-three million, four hundred four thousand, two hundred fifty-five".

Divisors: 1 3 5 7 13 15 21 35 39 65 91 105 195 273 293 455 879 1365 1465 2051 3559 3809 4395 6153 10255 10677 11427 17795 19045 24913 26663 30765 46267 53385 57135 74739 79989 124565 133315 138801 231335 323869 373695 399945 694005 971607 1042787 1619345 3128361 4858035 5213935 7299509 13556231 15641805 21898527 36497545 40668693 67781155 94893617 109492635 203343465 284680851 474468085 1423404255