Search a number
-
+
214031445 = 35172336493
BaseRepresentation
bin11001100000111…
…01110001010101
3112220201220221120
430300131301111
5414243001240
633123234153
75206144245
oct1460356125
9486656846
10214031445
11aa8a6aa1
125b818959
133545ab34
14205d5b25
1513bcbad0
hexcc1dc55

214031445 has 32 divisors (see below), whose sum is σ = 378369792. Its totient is φ = 102761472.

The previous prime is 214031443. The next prime is 214031453. The reversal of 214031445 is 544130412.

214031445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 214031445 - 21 = 214031443 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214031443) 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, 12382 + ... + 24111.

It is an arithmetic number, because the mean of its divisors is an integer number (11824056).

Almost surely, 2214031445 is an apocalyptic number.

It is an amenable number.

214031445 is a deficient number, since it is larger than the sum of its proper divisors (164338347).

214031445 is a wasteful number, since it uses less digits than its factorization.

214031445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36541.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 214031445 is about 14629.8135668231. The cubic root of 214031445 is about 598.1716984031.

Adding to 214031445 its reverse (544130412), we get a palindrome (758161857).

The spelling of 214031445 in words is "two hundred fourteen million, thirty-one thousand, four hundred forty-five".

Divisors: 1 3 5 15 17 23 51 69 85 115 255 345 391 1173 1955 5865 36493 109479 182465 547395 620381 839339 1861143 2518017 3101905 4196695 9305715 12590085 14268763 42806289 71343815 214031445