Search a number
-
+
26018268 = 2234350423
BaseRepresentation
bin110001101000…
…0000111011100
31210221212100120
41203100013130
523130041033
62325354540
7434103003
oct143200734
953855316
1026018268
1113760a01
128868a50
13550c833
143653c3a
15243e1b3
hex18d01dc

26018268 has 24 divisors (see below), whose sum is σ = 62122368. Its totient is φ = 8470896.

The previous prime is 26018263. The next prime is 26018287. The reversal of 26018268 is 86281062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26018261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24696 + ... + 25727.

It is an arithmetic number, because the mean of its divisors is an integer number (2588432).

Almost surely, 226018268 is an apocalyptic number.

It is an amenable number.

26018268 is an abundant number, since it is smaller than the sum of its proper divisors (36104100).

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

26018268 is a wasteful number, since it uses less digits than its factorization.

26018268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50473 (or 50471 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 26018268 is about 5100.8105238285. The cubic root of 26018268 is about 296.3189737743.

It can be divided in two parts, 260 and 18268, that added together give a triangular number (18528 = T192).

The spelling of 26018268 in words is "twenty-six million, eighteen thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 50423 100846 151269 201692 302538 605076 2168189 4336378 6504567 8672756 13009134 26018268