Search a number
-
+
23000534 = 279149977
BaseRepresentation
bin101011110111…
…1010111010110
31121021112210122
41113233113112
521342004114
62140551542
7366333644
oct127572726
947245718
1023000534
1111a8a707
1278525b2
1349c40ab
1430aa194
152044e8e
hex15ef5d6

23000534 has 16 divisors (see below), whose sum is σ = 35208000. Its totient is φ = 11266944.

The previous prime is 23000533. The next prime is 23000557. The reversal of 23000534 is 43500032.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23054 + ... + 24030.

It is an arithmetic number, because the mean of its divisors is an integer number (2200500).

Almost surely, 223000534 is an apocalyptic number.

23000534 is a deficient number, since it is larger than the sum of its proper divisors (12207466).

23000534 is a wasteful number, since it uses less digits than its factorization.

23000534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 23000534 is about 4795.8871963381. The cubic root of 23000534 is about 284.3888988739.

Adding to 23000534 its reverse (43500032), we get a palindrome (66500566).

The spelling of 23000534 in words is "twenty-three million, five hundred thirty-four", and thus it is an aban number.

Divisors: 1 2 79 149 158 298 977 1954 11771 23542 77183 145573 154366 291146 11500267 23000534