Search a number
-
+
26530847 = 73790121
BaseRepresentation
bin110010100110…
…1010000011111
31211220220110222
41211031100133
523242441342
62344351555
7441336260
oct145152037
954826428
1026530847
1113a81022
128a755bb
13565bc35
143748967
1524e0ed2
hex194d41f

26530847 has 4 divisors (see below), whose sum is σ = 30320976. Its totient is φ = 22740720.

The previous prime is 26530841. The next prime is 26530849. The reversal of 26530847 is 74803562.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26530847 - 24 = 26530831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26530841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1895054 + ... + 1895067.

It is an arithmetic number, because the mean of its divisors is an integer number (7580244).

Almost surely, 226530847 is an apocalyptic number.

26530847 is a deficient number, since it is larger than the sum of its proper divisors (3790129).

26530847 is an equidigital number, since it uses as much as digits as its factorization.

26530847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790128.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 26530847 is about 5150.8103245994. The cubic root of 26530847 is about 298.2522337807.

The spelling of 26530847 in words is "twenty-six million, five hundred thirty thousand, eight hundred forty-seven".

Divisors: 1 7 3790121 26530847