Search a number
-
+
26047530 = 2325289417
BaseRepresentation
bin110001101011…
…1010000101010
31211000100111100
41203113100222
523132010110
62330142230
7434254215
oct143272052
954010440
1026047530
1113780993
128881976
13551cc52
14366077c
152447bc0
hex18d742a

26047530 has 24 divisors (see below), whose sum is σ = 67723812. Its totient is φ = 6945984.

The previous prime is 26047501. The next prime is 26047531. The reversal of 26047530 is 3574062.

It is a happy number.

26047530 is a `hidden beast` number, since 2 + 604 + 7 + 53 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25979409 + 68121 = 5097^2 + 261^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26047494 and 26047503.

It is not an unprimeable number, because it can be changed into a prime (26047531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144619 + ... + 144798.

Almost surely, 226047530 is an apocalyptic number.

26047530 is an abundant number, since it is smaller than the sum of its proper divisors (41676282).

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

26047530 is a wasteful number, since it uses less digits than its factorization.

26047530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289430 (or 289427 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 26047530 is about 5103.6780854595. The cubic root of 26047530 is about 296.4300193060.

The spelling of 26047530 in words is "twenty-six million, forty-seven thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 289417 578834 868251 1447085 1736502 2604753 2894170 4341255 5209506 8682510 13023765 26047530