Search a number
-
+
274612013 = 1321124001
BaseRepresentation
bin10000010111100…
…011111100101101
3201010201201212022
4100113203330231
51030300041023
643125515525
76543110054
oct2027437455
9633651768
10274612013
11131014085
1277b72ba5
1344b7c120
142868539b
15191967c8
hex105e3f2d

274612013 has 4 divisors (see below), whose sum is σ = 295736028. Its totient is φ = 253488000.

The previous prime is 274612003. The next prime is 274612021. The reversal of 274612013 is 310216472.

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 16752649 + 257859364 = 4093^2 + 16058^2 .

It is a cyclic number.

It is not a de Polignac number, because 274612013 - 26 = 274611949 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 (274612003) 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, 10561988 + ... + 10562013.

It is an arithmetic number, because the mean of its divisors is an integer number (73934007).

Almost surely, 2274612013 is an apocalyptic number.

It is an amenable number.

274612013 is a deficient number, since it is larger than the sum of its proper divisors (21124015).

274612013 is a wasteful number, since it uses less digits than its factorization.

274612013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21124014.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 274612013 is about 16571.4215745059. The cubic root of 274612013 is about 649.9897536846.

Adding to 274612013 its reverse (310216472), we get a palindrome (584828485).

The spelling of 274612013 in words is "two hundred seventy-four million, six hundred twelve thousand, thirteen".

Divisors: 1 13 21124001 274612013