Search a number
-
+
26806242 = 2313732611
BaseRepresentation
bin110011001000…
…0011111100010
31212102220020210
41212100133202
523330244432
62354314550
7443564211
oct146203742
955386223
1026806242
1114149a21
128b88a56
1357273a8
1437bb078
1525478cc
hex19907e2

26806242 has 16 divisors (see below), whose sum is σ = 54005472. Its totient is φ = 8869920.

The previous prime is 26806223. The next prime is 26806253. The reversal of 26806242 is 24260862.

It is a super-2 number, since 2×268062422 = 1437149220325128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15484 + ... + 17127.

It is an arithmetic number, because the mean of its divisors is an integer number (3375342).

Almost surely, 226806242 is an apocalyptic number.

26806242 is an abundant number, since it is smaller than the sum of its proper divisors (27199230).

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

26806242 is a wasteful number, since it uses less digits than its factorization.

26806242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32753.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 26806242 is about 5177.4744808642. The cubic root of 26806242 is about 299.2806542956.

The spelling of 26806242 in words is "twenty-six million, eight hundred six thousand, two hundred forty-two".

Divisors: 1 2 3 6 137 274 411 822 32611 65222 97833 195666 4467707 8935414 13403121 26806242