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26935138 = 2893892
BaseRepresentation
bin110011010111…
…1111101100010
31212200110001201
41212233331202
523343411023
62401151414
7444642046
oct146577542
955613051
1026935138
111422784a
12902b56a
135770c69
143812026
152570bad
hex19aff62

26935138 has 12 divisors (see below), whose sum is σ = 40961970. Its totient is φ = 13282016.

The previous prime is 26935133. The next prime is 26935169. The reversal of 26935138 is 83153962.

It can be written as a sum of positive squares in 3 ways, for example, as 12089529 + 14845609 = 3477^2 + 3853^2 .

Its product of digits (38880) is a multiple of the sum of its prime divisors (480).

It is a junction number, because it is equal to n+sod(n) for n = 26935097 and 26935106.

It is not an unprimeable number, because it can be changed into a prime (26935133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69048 + ... + 69436.

Almost surely, 226935138 is an apocalyptic number.

26935138 is a deficient number, since it is larger than the sum of its proper divisors (14026832).

26935138 is an frugal number, since it uses more digits than its factorization.

26935138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 480 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 26935138 is about 5189.9073209451. The cubic root of 26935138 is about 299.7595777456.

The spelling of 26935138 in words is "twenty-six million, nine hundred thirty-five thousand, one hundred thirty-eight".

Divisors: 1 2 89 178 389 778 34621 69242 151321 302642 13467569 26935138