Search a number
-
+
275912 = 23713379
BaseRepresentation
bin1000011010111001000
3112000110222
41003113020
532312122
65525212
72226260
oct1032710
9460428
10275912
1117932a
12113808
1398780
14727a0
1556b42
hex435c8

275912 has 32 divisors (see below), whose sum is σ = 638400. Its totient is φ = 108864.

The previous prime is 275911. The next prime is 275917. The reversal of 275912 is 219572.

275912 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2759122 = 152254863488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (275911) 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, 539 + ... + 917.

It is an arithmetic number, because the mean of its divisors is an integer number (19950).

2275912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319200).

275912 is an abundant number, since it is smaller than the sum of its proper divisors (362488).

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

275912 is a wasteful number, since it uses less digits than its factorization.

275912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 401 counting only the distinct ones).

The product of its digits is 1260, while the sum is 26.

The square root of 275912 is about 525.2732622169. The cubic root of 275912 is about 65.1013802569.

The spelling of 275912 in words is "two hundred seventy-five thousand, nine hundred twelve".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 379 728 758 1516 2653 3032 4927 5306 9854 10612 19708 21224 34489 39416 68978 137956 275912