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23506065 = 3351121439
BaseRepresentation
bin101100110101…
…0110010010001
31122020020021000
41121222302101
522004143230
62155452213
7403540542
oct131526221
948206230
1023506065
11122a5500
127a57069
134b4021b
14319c4c9
1520e4b60
hex166ac91

23506065 has 48 divisors (see below), whose sum is σ = 45964800. Its totient is φ = 11388960.

The previous prime is 23506061. The next prime is 23506123. The reversal of 23506065 is 56060532.

23506065 is a `hidden beast` number, since 2 + 3 + 50 + 606 + 5 = 666.

It is not a de Polignac number, because 23506065 - 22 = 23506061 is a prime.

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

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23506061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15616 + ... + 17054.

It is an arithmetic number, because the mean of its divisors is an integer number (957600).

Almost surely, 223506065 is an apocalyptic number.

It is an amenable number.

23506065 is a deficient number, since it is larger than the sum of its proper divisors (22458735).

23506065 is a wasteful number, since it uses less digits than its factorization.

23506065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475 (or 1458 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 23506065 is about 4848.3053740457. The cubic root of 23506065 is about 286.4573550189.

Adding to 23506065 its reverse (56060532), we get a palindrome (79566597).

The spelling of 23506065 in words is "twenty-three million, five hundred six thousand, sixty-five".

Divisors: 1 3 5 9 11 15 27 33 45 55 99 121 135 165 297 363 495 605 1089 1439 1485 1815 3267 4317 5445 7195 12951 15829 16335 21585 38853 47487 64755 79145 142461 174119 194265 237435 427383 522357 712305 870595 1567071 2136915 2611785 4701213 7835355 23506065