Search a number
-
+
14273749 = 72377873
BaseRepresentation
bin110110011100…
…110011010101
3222212011220101
4312130303111
512123224444
61225534101
7232216300
oct66346325
928764811
1014273749
11806a096
124944331
132c59c09
141c77b37
1513be3d4
hexd9ccd5

14273749 has 12 divisors (see below), whose sum is σ = 17055084. Its totient is φ = 11902464.

The previous prime is 14273741. The next prime is 14273767. The reversal of 14273749 is 94737241.

It can be written as a sum of positive squares in 2 ways, for example, as 6036849 + 8236900 = 2457^2 + 2870^2 .

It is not a de Polignac number, because 14273749 - 23 = 14273741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14273741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2124 + ... + 5749.

It is an arithmetic number, because the mean of its divisors is an integer number (1421257).

Almost surely, 214273749 is an apocalyptic number.

It is an amenable number.

14273749 is a deficient number, since it is larger than the sum of its proper divisors (2781335).

14273749 is an equidigital number, since it uses as much as digits as its factorization.

14273749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7924 (or 7917 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 14273749 is about 3778.0615399964. The cubic root of 14273749 is about 242.5749879687.

The spelling of 14273749 in words is "fourteen million, two hundred seventy-three thousand, seven hundred forty-nine".

Divisors: 1 7 37 49 259 1813 7873 55111 291301 385777 2039107 14273749