Search a number
-
+
26237768 = 2318112
BaseRepresentation
bin110010000010…
…1101101001000
31211101000110012
41210011231020
523204102033
62334211052
7436005644
oct144055510
954330405
1026237768
11138a0907
128953a88
13558870b
1436adc24
152484248
hex1905b48

26237768 has 12 divisors (see below), whose sum is σ = 49222995. Its totient is φ = 13111640.

The previous prime is 26237767. The next prime is 26237777. The reversal of 26237768 is 86773262.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 13118884 + 13118884 = 3622^2 + 3622^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=3622.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26237767) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 13583 + ... + 15393.

Almost surely, 226237768 is an apocalyptic number.

It is an amenable number.

26237768 is a deficient number, since it is larger than the sum of its proper divisors (22985227).

26237768 is an frugal number, since it uses more digits than its factorization.

26237768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628 (or 1813 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The square root of 26237768 is about 5122.2815229154. The cubic root of 26237768 is about 297.1499278925.

The spelling of 26237768 in words is "twenty-six million, two hundred thirty-seven thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 1811 3622 7244 14488 3279721 6559442 13118884 26237768