Search a number
-
+
263125304 = 23139726083
BaseRepresentation
bin11111010111011…
…11100100111000
3200100010011001122
433223233210320
51014330002204
642035404412
76343346111
oct1753574470
9610104048
10263125304
11125588a32
1274153708
1342689960
1426d35208
15181780be
hexfaef938

263125304 has 32 divisors (see below), whose sum is σ = 536808720. Its totient is φ = 120185856.

The previous prime is 263125297. The next prime is 263125307. The reversal of 263125304 is 403521362.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263125307) 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, 2954 + ... + 23129.

Almost surely, 2263125304 is an apocalyptic number.

It is an amenable number.

263125304 is an abundant number, since it is smaller than the sum of its proper divisors (273683416).

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

263125304 is a wasteful number, since it uses less digits than its factorization.

263125304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26199 (or 26195 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 263125304 is about 16221.1375680006. The cubic root of 263125304 is about 640.7975928355.

Adding to 263125304 its reverse (403521362), we get a palindrome (666646666).

The spelling of 263125304 in words is "two hundred sixty-three million, one hundred twenty-five thousand, three hundred four".

Divisors: 1 2 4 8 13 26 52 97 104 194 388 776 1261 2522 5044 10088 26083 52166 104332 208664 339079 678158 1356316 2530051 2712632 5060102 10120204 20240408 32890663 65781326 131562652 263125304