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23980578 = 233996763
BaseRepresentation
bin101101101111…
…0101000100010
31200010100011120
41123132220202
522114334303
62213553110
7410555136
oct133365042
950110146
1023980578
1112599a66
128045796
134c781bb
1432833c6
15218a553
hex16dea22

23980578 has 8 divisors (see below), whose sum is σ = 47961168. Its totient is φ = 7993524.

The previous prime is 23980549. The next prime is 23980643. The reversal of 23980578 is 87508932.

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

23980578 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1998376 + ... + 1998387.

It is an arithmetic number, because the mean of its divisors is an integer number (5995146).

Almost surely, 223980578 is an apocalyptic number.

23980578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23980578 is a wasteful number, since it uses less digits than its factorization.

23980578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996768.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 23980578 is about 4896.9968347958. The cubic root of 23980578 is about 288.3720836986.

The spelling of 23980578 in words is "twenty-three million, nine hundred eighty thousand, five hundred seventy-eight".

Divisors: 1 2 3 6 3996763 7993526 11990289 23980578