[go: up one dir, main page]

Search a number
-
+
27254869 is a prime number
BaseRepresentation
bin110011111111…
…0000001010101
31220021200122121
41213332001111
523434123434
62412055541
7450443155
oct147760125
956250577
1027254869
1114425a94
1291645b1
135853655
143896765
1525d57b4
hex19fe055

27254869 has 2 divisors, whose sum is σ = 27254870. Its totient is φ = 27254868.

The previous prime is 27254833. The next prime is 27254923. The reversal of 27254869 is 96845272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18164644 + 9090225 = 4262^2 + 3015^2 .

It is a cyclic number.

It is not a de Polignac number, because 27254869 - 215 = 27222101 is a prime.

It is a super-2 number, since 2×272548692 = 1485655768414322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27234869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13627434 + 13627435.

It is an arithmetic number, because the mean of its divisors is an integer number (13627435).

Almost surely, 227254869 is an apocalyptic number.

It is an amenable number.

27254869 is a deficient number, since it is larger than the sum of its proper divisors (1).

27254869 is an equidigital number, since it uses as much as digits as its factorization.

27254869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The square root of 27254869 is about 5220.6195992430. The cubic root of 27254869 is about 300.9410045413.

The spelling of 27254869 in words is "twenty-seven million, two hundred fifty-four thousand, eight hundred sixty-nine".