Search a number
-
+
2742269 = 2994561
BaseRepresentation
bin1010011101011111111101
312011022200112
422131133331
51200223034
6134435405
732210645
oct12353775
95138615
102742269
111603342
12b02b65
1375025a
14515525
153927ce
hex29d7fd

2742269 has 4 divisors (see below), whose sum is σ = 2836860. Its totient is φ = 2647680.

The previous prime is 2742263. The next prime is 2742277. The reversal of 2742269 is 9622472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1026169 + 1716100 = 1013^2 + 1310^2 .

It is a cyclic number.

It is not a de Polignac number, because 2742269 - 28 = 2742013 is a prime.

It is a super-2 number, since 2×27422692 = 15040078536722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742263) 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, 47252 + ... + 47309.

It is an arithmetic number, because the mean of its divisors is an integer number (709215).

22742269 is an apocalyptic number.

2742269 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2742269 is a deficient number, since it is larger than the sum of its proper divisors (94591).

2742269 is an equidigital number, since it uses as much as digits as its factorization.

2742269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94590.

The product of its digits is 12096, while the sum is 32.

The square root of 2742269 is about 1655.9797704078. The cubic root of 2742269 is about 139.9705550320.

The spelling of 2742269 in words is "two million, seven hundred forty-two thousand, two hundred sixty-nine".

Divisors: 1 29 94561 2742269