Search a number
-
+
26530745 = 5191931447
BaseRepresentation
bin110010100110…
…1001110111001
31211220220100012
41211031032321
523242440440
62344351305
7441336053
oct145151671
954826305
1026530745
1113a80a3a
128a75535
13565bb87
1437488d3
1524e0e65
hex194d3b9

26530745 has 16 divisors (see below), whose sum is σ = 33709440. Its totient is φ = 19989504.

The previous prime is 26530741. The next prime is 26530759. The reversal of 26530745 is 54703562.

It is a cyclic number.

It is not a de Polignac number, because 26530745 - 22 = 26530741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26530741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17612 + ... + 19058.

It is an arithmetic number, because the mean of its divisors is an integer number (2106840).

Almost surely, 226530745 is an apocalyptic number.

It is an amenable number.

26530745 is a deficient number, since it is larger than the sum of its proper divisors (7178695).

26530745 is a wasteful number, since it uses less digits than its factorization.

26530745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 26530745 is about 5150.8004232352. The cubic root of 26530745 is about 298.2518515619.

The spelling of 26530745 in words is "twenty-six million, five hundred thirty thousand, seven hundred forty-five".

Divisors: 1 5 19 95 193 965 1447 3667 7235 18335 27493 137465 279271 1396355 5306149 26530745