Search a number
-
+
275892 = 22383277
BaseRepresentation
bin1000011010110110100
3112000110020
41003112310
532312032
65525140
72226231
oct1032664
9460406
10275892
11179311
121137b0
1398766
1472788
1556b2c
hex435b4

275892 has 24 divisors (see below), whose sum is σ = 653856. Its totient is φ = 90528.

The previous prime is 275881. The next prime is 275897. The reversal of 275892 is 298572.

It is a super-2 number, since 2×2758922 = 152232791328, which contains 22 as substring.

It is a nialpdrome in base 13.

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 275892.

It is not an unprimeable number, because it can be changed into a prime (275897) by changing a digit.

275892 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 7 ways as a sum of consecutive naturals, for example, 858 + ... + 1134.

It is an arithmetic number, because the mean of its divisors is an integer number (27244).

2275892 is an apocalyptic number.

It is an amenable number.

275892 is an abundant number, since it is smaller than the sum of its proper divisors (377964).

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

275892 is a wasteful number, since it uses less digits than its factorization.

275892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 365 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 275892 is about 525.2542241620. The cubic root of 275892 is about 65.0998072203.

It can be divided in two parts, 2758 and 92, that added together give a triangular number (2850 = T75).

The spelling of 275892 in words is "two hundred seventy-five thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 83 166 249 277 332 498 554 831 996 1108 1662 3324 22991 45982 68973 91964 137946 275892