Search a number
-
+
274768 = 24131321
BaseRepresentation
bin1000011000101010000
3111221220121
41003011100
532243033
65520024
72223034
oct1030520
9457817
10274768
1117848a
12113014
13980b0
14721c4
155662d
hex43150

274768 has 20 divisors (see below), whose sum is σ = 573748. Its totient is φ = 126720.

The previous prime is 274751. The next prime is 274777. The reversal of 274768 is 867472.

It can be written as a sum of positive squares in 2 ways, for example, as 153664 + 121104 = 392^2 + 348^2 .

It is a congruent number.

It is an unprimeable number.

274768 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453 + ... + 868.

2274768 is an apocalyptic number.

It is an amenable number.

274768 is an abundant number, since it is smaller than the sum of its proper divisors (298980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

274768 is a wasteful number, since it uses less digits than its factorization.

274768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 1336 counting only the distinct ones).

The product of its digits is 18816, while the sum is 34.

The square root of 274768 is about 524.1831740909. The cubic root of 274768 is about 65.0112800936.

Subtracting 274768 from its reverse (867472), we obtain a cube (592704 = 843).

The spelling of 274768 in words is "two hundred seventy-four thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 1321 2642 5284 10568 17173 21136 34346 68692 137384 274768