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2140401423 = 3941758201
BaseRepresentation
bin111111110010011…
…1110111100001111
312112011112122202210
41333210332330033
513340420321143
6552220121503
7104020053246
oct17744767417
95464478683
102140401423
119a92232a6
124b8996293
13281595324
141643a595d
15c7d98033
hex7f93ef0f

2140401423 has 8 divisors (see below), whose sum is σ = 2856905136. Its totient is φ = 1425416000.

The previous prime is 2140401421. The next prime is 2140401451. The reversal of 2140401423 is 3241040412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2140401423 - 21 = 2140401421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2140401423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140401421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376278 + ... + 381923.

It is an arithmetic number, because the mean of its divisors is an integer number (357113142).

Almost surely, 22140401423 is an apocalyptic number.

2140401423 is a deficient number, since it is larger than the sum of its proper divisors (716503713).

2140401423 is an equidigital number, since it uses as much as digits as its factorization.

2140401423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759145.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2140401423 is about 46264.4725788590. The cubic root of 2140401423 is about 1288.7393134014.

Adding to 2140401423 its reverse (3241040412), we get a palindrome (5381441835).

The spelling of 2140401423 in words is "two billion, one hundred forty million, four hundred one thousand, four hundred twenty-three".

Divisors: 1 3 941 2823 758201 2274603 713467141 2140401423