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24069 = 371113
BaseRepresentation
bin101111000000101
31020000110
411320011
51232234
6303233
7130113
oct57005
936013
1024069
11170a1
1211b19
13ac56
148ab3
1571e9
hex5e05

24069 has 8 divisors (see below), whose sum is σ = 32832. Its totient is φ = 15680.

The previous prime is 24061. The next prime is 24071. The reversal of 24069 is 96042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 24069 - 23 = 24061 is a prime.

It is a super-2 number, since 2×240692 = 1158633522, which contains 22 as substring.

24069 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157 + ... + 269.

It is an arithmetic number, because the mean of its divisors is an integer number (4104).

224069 is an apocalyptic number.

It is an amenable number.

24069 is a deficient number, since it is larger than the sum of its proper divisors (8763).

24069 is a wasteful number, since it uses less digits than its factorization.

24069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 24069 is about 155.1418705572. The cubic root of 24069 is about 28.8726080738.

Adding to 24069 its sum of digits (21), we get a triangular number (24090 = T219).

It can be divided in two parts, 2406 and 9, that added together give a triangular number (2415 = T69).

The spelling of 24069 in words is "twenty-four thousand, sixty-nine".

Divisors: 1 3 71 113 213 339 8023 24069