Search a number
-
+
263055 = 35131971
BaseRepresentation
bin1000000001110001111
3111100211210
41000032033
531404210
65345503
72143632
oct1001617
9440753
10263055
1116a701
12108293
1392970
146bc19
1552e20
hex4038f

263055 has 32 divisors (see below), whose sum is σ = 483840. Its totient is φ = 120960.

The previous prime is 263047. The next prime is 263063. The reversal of 263055 is 550362.

It is an interprime number because it is at equal distance from previous prime (263047) and next prime (263063).

It is not a de Polignac number, because 263055 - 23 = 263047 is a prime.

It is a d-powerful number, because it can be written as 2 + 65 + 0 + 311 + 5 + 57 .

263055 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3670 + ... + 3740.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2263055 is an apocalyptic number.

263055 is a deficient number, since it is larger than the sum of its proper divisors (220785).

263055 is a wasteful number, since it uses less digits than its factorization.

263055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 263055 is about 512.8888768535. Note that the first 4 decimals coincide. The cubic root of 263055 is about 64.0740516548.

It can be divided in two parts, 26 and 3055, that added together give a triangular number (3081 = T78).

The spelling of 263055 in words is "two hundred sixty-three thousand, fifty-five".

Divisors: 1 3 5 13 15 19 39 57 65 71 95 195 213 247 285 355 741 923 1065 1235 1349 2769 3705 4047 4615 6745 13845 17537 20235 52611 87685 263055