Search a number
-
+
27414021 = 39138007
BaseRepresentation
bin110100010010…
…0111000000101
31220120202222010
41220210320011
524004222041
62415324433
7452005155
oct150447005
956522863
1027414021
1114524618
129220719
1358aac1b
1438d8765
152617a16
hex1a24e05

27414021 has 4 divisors (see below), whose sum is σ = 36552032. Its totient is φ = 18276012.

The previous prime is 27414001. The next prime is 27414031. The reversal of 27414021 is 12041472.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27414021 - 25 = 27413989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27414001) 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, 4569001 + ... + 4569006.

It is an arithmetic number, because the mean of its divisors is an integer number (9138008).

Almost surely, 227414021 is an apocalyptic number.

It is an amenable number.

27414021 is a deficient number, since it is larger than the sum of its proper divisors (9138011).

27414021 is an equidigital number, since it uses as much as digits as its factorization.

27414021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9138010.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 27414021 is about 5235.8400472131. The cubic root of 27414021 is about 301.5256393741.

Adding to 27414021 its reverse (12041472), we get a palindrome (39455493).

The spelling of 27414021 in words is "twenty-seven million, four hundred fourteen thousand, twenty-one".

Divisors: 1 3 9138007 27414021