Search a number
-
+
26967138 = 2311487839
BaseRepresentation
bin110011011011…
…1110001100010
31212202001221220
41212313301202
523400422023
62401555510
7445134252
oct146676142
955661856
1026967138
11142498a0
129045b96
1357826b3
14381d962
15257a3e3
hex19b7c62

26967138 has 32 divisors (see below), whose sum is σ = 59028480. Its totient is φ = 8145360.

The previous prime is 26967131. The next prime is 26967139. The reversal of 26967138 is 83176962.

It is a happy number.

It is a super-2 number, since 2×269671382 = 1454453063822088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26967138.

It is not an unprimeable number, because it can be changed into a prime (26967131) 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, 31723 + ... + 32561.

It is an arithmetic number, because the mean of its divisors is an integer number (1844640).

Almost surely, 226967138 is an apocalyptic number.

26967138 is an abundant number, since it is smaller than the sum of its proper divisors (32061342).

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

26967138 is a wasteful number, since it uses less digits than its factorization.

26967138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342.

The product of its digits is 108864, while the sum is 42.

The square root of 26967138 is about 5192.9893125251. The cubic root of 26967138 is about 299.8782394768.

The spelling of 26967138 in words is "twenty-six million, nine hundred sixty-seven thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 487 839 974 1461 1678 2517 2922 5034 5357 9229 10714 16071 18458 27687 32142 55374 408593 817186 1225779 2451558 4494523 8989046 13483569 26967138