Search a number
-
+
26956897 = 1123472267
BaseRepresentation
bin110011011010…
…1010001100001
31212201112220121
41212311101201
523400110042
62401440241
7445062352
oct146652141
955645817
1026956897
1114242130
129040081
13577ab36
143819d29
152577367
hex19b5461

26956897 has 16 divisors (see below), whose sum is σ = 31352832. Its totient is φ = 22931920.

The previous prime is 26956871. The next prime is 26956901. The reversal of 26956897 is 79865962.

It is a happy number.

It is not a de Polignac number, because 26956897 - 215 = 26924129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26956837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10758 + ... + 13024.

It is an arithmetic number, because the mean of its divisors is an integer number (1959552).

Almost surely, 226956897 is an apocalyptic number.

It is an amenable number.

26956897 is a deficient number, since it is larger than the sum of its proper divisors (4395935).

26956897 is a wasteful number, since it uses less digits than its factorization.

26956897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348.

The product of its digits is 1632960, while the sum is 52.

The square root of 26956897 is about 5192.0031779651. The cubic root of 26956897 is about 299.8402742333.

The spelling of 26956897 in words is "twenty-six million, nine hundred fifty-six thousand, eight hundred ninety-seven".

Divisors: 1 11 23 47 253 517 1081 2267 11891 24937 52141 106549 573551 1172039 2450627 26956897