Search a number
-
+
13740227 = 73918593
BaseRepresentation
bin110100011010…
…100011000011
3221212002001022
4310122203003
512004141402
61210300055
7224534654
oct64324303
927762038
1013740227
117835266
12472762b
132b01117
141b7952b
1513162a2
hexd1a8c3

13740227 has 4 divisors (see below), whose sum is σ = 13759560. Its totient is φ = 13720896.

The previous prime is 13740203. The next prime is 13740241. The reversal of 13740227 is 72204731.

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 13740227 - 26 = 13740163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13740196 and 13740205.

It is not an unprimeable number, because it can be changed into a prime (13740247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8558 + ... + 10035.

It is an arithmetic number, because the mean of its divisors is an integer number (3439890).

Almost surely, 213740227 is an apocalyptic number.

13740227 is a deficient number, since it is larger than the sum of its proper divisors (19333).

13740227 is an equidigital number, since it uses as much as digits as its factorization.

13740227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19332.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 13740227 is about 3706.7812182539. The cubic root of 13740227 is about 239.5142199503.

Adding to 13740227 its reverse (72204731), we get a palindrome (85944958).

The spelling of 13740227 in words is "thirteen million, seven hundred forty thousand, two hundred twenty-seven".

Divisors: 1 739 18593 13740227