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23000024 = 237140493
BaseRepresentation
bin101011110111…
…1001111011000
31121021112002202
41113233033120
521342000044
62140545332
7366332315
oct127571730
947245082
1023000024
1111a8a293
127852248
1349c3aa8
1430a9d0c
152044c4e
hex15ef3d8

23000024 has 16 divisors (see below), whose sum is σ = 43733520. Its totient is φ = 11337760.

The previous prime is 23000011. The next prime is 23000027. The reversal of 23000024 is 42000032.

It is a super-2 number, since 2×230000242 = 1058002208001152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22999969 and 23000014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19679 + ... + 20814.

It is an arithmetic number, because the mean of its divisors is an integer number (2733345).

Almost surely, 223000024 is an apocalyptic number.

It is an amenable number.

23000024 is a deficient number, since it is larger than the sum of its proper divisors (20733496).

23000024 is a wasteful number, since it uses less digits than its factorization.

23000024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40570 (or 40566 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 23000024 is about 4795.8340254850. The cubic root of 23000024 is about 284.3867969022.

Adding to 23000024 its reverse (42000032), we get a palindrome (65000056).

The spelling of 23000024 in words is "twenty-three million, twenty-four", and thus it is an aban number.

Divisors: 1 2 4 8 71 142 284 568 40493 80986 161972 323944 2875003 5750006 11500012 23000024