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23960080 = 245299501
BaseRepresentation
bin101101101100…
…1101000010000
31200002022001101
41123121220100
522113210310
62213314144
7410441314
oct133315020
950068041
1023960080
1112585621
128035954
134c6ba81
143279b44
15218443a
hex16d9a10

23960080 has 20 divisors (see below), whose sum is σ = 55707372. Its totient is φ = 9584000.

The previous prime is 23960063. The next prime is 23960093. The reversal of 23960080 is 8006932.

It can be written as a sum of positive squares in 2 ways, for example, as 5607424 + 18352656 = 2368^2 + 4284^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149671 + ... + 149830.

Almost surely, 223960080 is an apocalyptic number.

23960080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23960080 is an abundant number, since it is smaller than the sum of its proper divisors (31747292).

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

23960080 is a wasteful number, since it uses less digits than its factorization.

23960080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299514 (or 299508 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 23960080 is about 4894.9034719798. The cubic root of 23960080 is about 288.2898958551.

The spelling of 23960080 in words is "twenty-three million, nine hundred sixty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 299501 599002 1198004 1497505 2396008 2995010 4792016 5990020 11980040 23960080