Search a number
-
+
274887 = 3310181
BaseRepresentation
bin1000011000111000111
3111222002000
41003013013
532244022
65520343
72223264
oct1030707
9458060
10274887
11178588
121130b3
1398172
147226b
15566ac
hex431c7

274887 has 8 divisors (see below), whose sum is σ = 407280. Its totient is φ = 183240.

The previous prime is 274871. The next prime is 274889. The reversal of 274887 is 788472.

It is not a de Polignac number, because 274887 - 24 = 274871 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 274887.

It is not an unprimeable number, because it can be changed into a prime (274889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5064 + ... + 5117.

It is an arithmetic number, because the mean of its divisors is an integer number (50910).

2274887 is an apocalyptic number.

274887 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

274887 is a deficient number, since it is larger than the sum of its proper divisors (132393).

274887 is a wasteful number, since it uses less digits than its factorization.

274887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10190 (or 10184 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 274887 is about 524.2966717422. The cubic root of 274887 is about 65.0206640415.

It can be divided in two parts, 27488 and 7, that added together give a triangular number (27495 = T234).

The spelling of 274887 in words is "two hundred seventy-four thousand, eight hundred eighty-seven".

Divisors: 1 3 9 27 10181 30543 91629 274887