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26938 = 213469
BaseRepresentation
bin110100100111010
31100221201
412210322
51330223
6324414
7141352
oct64472
940851
1026938
111926a
121370a
13c352
149b62
157ead
hex693a

26938 has 4 divisors (see below), whose sum is σ = 40410. Its totient is φ = 13468.

The previous prime is 26927. The next prime is 26947. The reversal of 26938 is 83962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83962 = 241981.

It can be written as a sum of positive squares in only one way, i.e., 21609 + 5329 = 147^2 + 73^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6733 + ... + 6736.

226938 is an apocalyptic number.

26938 is a deficient number, since it is larger than the sum of its proper divisors (13472).

26938 is a wasteful number, since it uses less digits than its factorization.

26938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13471.

The product of its digits is 2592, while the sum is 28.

The square root of 26938 is about 164.1279988302. The cubic root of 26938 is about 29.9770194380.

It can be divided in two parts, 2693 and 8, that added together give a triangular number (2701 = T73).

The spelling of 26938 in words is "twenty-six thousand, nine hundred thirty-eight".

Divisors: 1 2 13469 26938