Search a number
-
+
26440494 = 234406749
BaseRepresentation
bin110010011011…
…1001100101110
31211202022112120
41210313030232
523232043434
62342413410
7440511663
oct144671456
954668476
1026440494
1113a1a153
128a31266
135629a82
143723a6a
1524c4349
hex193732e

26440494 has 8 divisors (see below), whose sum is σ = 52881000. Its totient is φ = 8813496.

The previous prime is 26440493. The next prime is 26440517. The reversal of 26440494 is 49404462.

It is a sphenic number, since it is the product of 3 distinct primes.

26440494 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26440493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2203369 + ... + 2203380.

It is an arithmetic number, because the mean of its divisors is an integer number (6610125).

Almost surely, 226440494 is an apocalyptic number.

26440494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26440494 is a wasteful number, since it uses less digits than its factorization.

26440494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406754.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 26440494 is about 5142.0320885813. The cubic root of 26440494 is about 297.9132744643.

The spelling of 26440494 in words is "twenty-six million, four hundred forty thousand, four hundred ninety-four".

Divisors: 1 2 3 6 4406749 8813498 13220247 26440494