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216110423 = 892428207
BaseRepresentation
bin11001110000110…
…01010101010111
3120001122112202202
430320121111113
5420311013143
633235555115
75232623354
oct1470312527
9501575682
10216110423
11100a96a61
126045ba9b
1335a081b9
14209b762b
1513e8cab8
hexce19557

216110423 has 4 divisors (see below), whose sum is σ = 218538720. Its totient is φ = 213682128.

The previous prime is 216110417. The next prime is 216110449. The reversal of 216110423 is 324011612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216110423 - 26 = 216110359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216110395 and 216110404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216110473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214015 + ... + 1214192.

It is an arithmetic number, because the mean of its divisors is an integer number (54634680).

Almost surely, 2216110423 is an apocalyptic number.

216110423 is a deficient number, since it is larger than the sum of its proper divisors (2428297).

216110423 is an equidigital number, since it uses as much as digits as its factorization.

216110423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428296.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 216110423 is about 14700.6946434514. The cubic root of 216110423 is about 600.1022261006.

The spelling of 216110423 in words is "two hundred sixteen million, one hundred ten thousand, four hundred twenty-three".

Divisors: 1 89 2428207 216110423