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23980073 = 135233527
BaseRepresentation
bin101101101111…
…0100000101001
31200010022110212
41123132200221
522114330243
62213550505
7410553515
oct133364051
950108425
1023980073
1112599647
128045435
134c77bc0
143283145
15218a318
hex16de829

23980073 has 8 divisors (see below), whose sum is σ = 25881408. Its totient is φ = 22086864.

The previous prime is 23980063. The next prime is 23980087. The reversal of 23980073 is 37008932.

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

It is a cyclic number.

It is not a de Polignac number, because 23980073 - 28 = 23979817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23980003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5036 + ... + 8562.

It is an arithmetic number, because the mean of its divisors is an integer number (3235176).

Almost surely, 223980073 is an apocalyptic number.

It is an amenable number.

23980073 is a deficient number, since it is larger than the sum of its proper divisors (1901335).

23980073 is a wasteful number, since it uses less digits than its factorization.

23980073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 23980073 is about 4896.9452723101. The cubic root of 23980073 is about 288.3700594366.

The spelling of 23980073 in words is "twenty-three million, nine hundred eighty thousand, seventy-three".

Divisors: 1 13 523 3527 6799 45851 1844621 23980073