Search a number
-
+
268812528 = 2435600261
BaseRepresentation
bin10000000001011…
…100000011110000
3200201211002110120
4100001130003300
51022304000103
642401330240
76442603665
oct2001340360
9621732416
10268812528
11128812916
1276036980
13438cb48a
14279b5a6c
15188ed253
hex1005c0f0

268812528 has 20 divisors (see below), whose sum is σ = 694432488. Its totient is φ = 89604160.

The previous prime is 268812487. The next prime is 268812529. The reversal of 268812528 is 825218862.

It is a self number, because there is not a number n which added to its sum of digits gives 268812528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268812529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2800083 + ... + 2800178.

Almost surely, 2268812528 is an apocalyptic number.

It is an amenable number.

268812528 is an abundant number, since it is smaller than the sum of its proper divisors (425619960).

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

268812528 is a wasteful number, since it uses less digits than its factorization.

268812528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600272 (or 5600266 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The square root of 268812528 is about 16395.5032859623. The cubic root of 268812528 is about 645.3814845606.

The spelling of 268812528 in words is "two hundred sixty-eight million, eight hundred twelve thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 5600261 11200522 16800783 22401044 33601566 44802088 67203132 89604176 134406264 268812528