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23880830 = 252388083
BaseRepresentation
bin101101100011…
…0010001111110
31122221021100012
41123012101332
522103141310
62211503222
7406661261
oct133062176
948837305
1023880830
1112531026
127bb7b12
134c4198c
143258cd8
15216ac05
hex16c647e

23880830 has 8 divisors (see below), whose sum is σ = 42985512. Its totient is φ = 9552328.

The previous prime is 23880827. The next prime is 23880839. The reversal of 23880830 is 3808832.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23880839) 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, 1194032 + ... + 1194051.

It is an arithmetic number, because the mean of its divisors is an integer number (5373189).

Almost surely, 223880830 is an apocalyptic number.

23880830 is a deficient number, since it is larger than the sum of its proper divisors (19104682).

23880830 is a wasteful number, since it uses less digits than its factorization.

23880830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388090.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 23880830 is about 4886.8016125069. The cubic root of 23880830 is about 287.9716970000.

The spelling of 23880830 in words is "twenty-three million, eight hundred eighty thousand, eight hundred thirty".

Divisors: 1 2 5 10 2388083 4776166 11940415 23880830