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23930300 = 2252613923
BaseRepresentation
bin101101101001…
…0010110111100
31200000210012102
41123102112330
522111232200
62212524232
7410255432
oct133222674
950023172
1023930300
1112565209
128020678
134c5b354
14326cd52
15217a6d5
hex16d25bc

23930300 has 36 divisors (see below), whose sum is σ = 52793496. Its totient is φ = 9412800.

The previous prime is 23930293. The next prime is 23930303. The reversal of 23930300 is 303932.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23930303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4139 + ... + 8061.

It is an arithmetic number, because the mean of its divisors is an integer number (1466486).

Almost surely, 223930300 is an apocalyptic number.

23930300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23930300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26396748).

23930300 is an abundant number, since it is smaller than the sum of its proper divisors (28863196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23930300 is a wasteful number, since it uses less digits than its factorization.

23930300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998 (or 3991 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 23930300 is about 4891.8605867298. The cubic root of 23930300 is about 288.1704077672.

The spelling of 23930300 in words is "twenty-three million, nine hundred thirty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 61 100 122 244 305 610 1220 1525 3050 3923 6100 7846 15692 19615 39230 78460 98075 196150 239303 392300 478606 957212 1196515 2393030 4786060 5982575 11965150 23930300