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23838235 = 523972137
BaseRepresentation
bin101101011101…
…1111000011011
31122212002220121
41122323320123
522100310420
62210534111
7406423141
oct132737033
948762817
1023838235
1112502023
127b97337
134c28485
143247591
15215d2aa
hex16bbe1b

23838235 has 16 divisors (see below), whose sum is σ = 30171456. Its totient is φ = 18044928.

The previous prime is 23838197. The next prime is 23838239. The reversal of 23838235 is 53283832.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23838235 - 27 = 23838107 is a prime.

It is a super-2 number, since 2×238382352 = 1136522895830450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23838235.

It is not an unprimeable number, because it can be changed into a prime (23838239) 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, 10087 + ... + 12223.

It is an arithmetic number, because the mean of its divisors is an integer number (1885716).

Almost surely, 223838235 is an apocalyptic number.

23838235 is a deficient number, since it is larger than the sum of its proper divisors (6333221).

23838235 is a wasteful number, since it uses less digits than its factorization.

23838235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262.

The product of its digits is 34560, while the sum is 34.

The square root of 23838235 is about 4882.4414999056. The cubic root of 23838235 is about 287.8003817023.

The spelling of 23838235 in words is "twenty-three million, eight hundred thirty-eight thousand, two hundred thirty-five".

Divisors: 1 5 23 97 115 485 2137 2231 10685 11155 49151 207289 245755 1036445 4767647 23838235