Search a number
-
+
263997 = 3229333
BaseRepresentation
bin1000000011100111101
3111102010200
41000130331
531421442
65354113
72146446
oct1003475
9442120
10263997
11170388
12108939
1393216
146c2cd
155334c
hex4073d

263997 has 6 divisors (see below), whose sum is σ = 381342. Its totient is φ = 175992.

The previous prime is 263983. The next prime is 264007. The reversal of 263997 is 799362.

It can be written as a sum of positive squares in only one way, i.e., 251001 + 12996 = 501^2 + 114^2 .

It is not a de Polignac number, because 263997 - 26 = 263933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14658 + ... + 14675.

It is an arithmetic number, because the mean of its divisors is an integer number (63557).

2263997 is an apocalyptic number.

It is an amenable number.

263997 is a deficient number, since it is larger than the sum of its proper divisors (117345).

263997 is a wasteful number, since it uses less digits than its factorization.

263997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29339 (or 29336 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 263997 is about 513.8063837673. The cubic root of 263997 is about 64.1504436040.

The spelling of 263997 in words is "two hundred sixty-three thousand, nine hundred ninety-seven".

Divisors: 1 3 9 29333 87999 263997