Search a number
-
+
23135535 = 325514123
BaseRepresentation
bin101100001000…
…0010100101111
31121112101222200
41120100110233
521410314120
62143512543
7400435353
oct130202457
947471880
1023135535
1112072085
1278b8753
134a40687
143103463
15206ee90
hex161052f

23135535 has 12 divisors (see below), whose sum is σ = 40101672. Its totient is φ = 12338928.

The previous prime is 23135527. The next prime is 23135537. The reversal of 23135535 is 53553132.

It is not a de Polignac number, because 23135535 - 23 = 23135527 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 23135499 and 23135508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23135537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257017 + ... + 257106.

It is an arithmetic number, because the mean of its divisors is an integer number (3341806).

Almost surely, 223135535 is an apocalyptic number.

23135535 is a deficient number, since it is larger than the sum of its proper divisors (16966137).

23135535 is a wasteful number, since it uses less digits than its factorization.

23135535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514134 (or 514131 counting only the distinct ones).

The product of its digits is 6750, while the sum is 27.

The square root of 23135535 is about 4809.9412678327. The cubic root of 23135535 is about 284.9442180763.

Adding to 23135535 its reverse (53553132), we get a palindrome (76688667).

The spelling of 23135535 in words is "twenty-three million, one hundred thirty-five thousand, five hundred thirty-five".

Divisors: 1 3 5 9 15 45 514123 1542369 2570615 4627107 7711845 23135535