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23072806 = 229397807
BaseRepresentation
bin101100000000…
…1000000100110
31121102012221101
41120001000212
521401312211
62142310314
7400054441
oct130010046
947365841
1023072806
1112029a39
12788839a
134a1ac63
1430c8658
15205b5c1
hex1601026

23072806 has 8 divisors (see below), whose sum is σ = 35802720. Its totient is φ = 11138568.

The previous prime is 23072789. The next prime is 23072807. The reversal of 23072806 is 60827032.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23072807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198846 + ... + 198961.

It is an arithmetic number, because the mean of its divisors is an integer number (4475340).

Almost surely, 223072806 is an apocalyptic number.

23072806 is a deficient number, since it is larger than the sum of its proper divisors (12729914).

23072806 is a wasteful number, since it uses less digits than its factorization.

23072806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397838.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 23072806 is about 4803.4160760859. The cubic root of 23072806 is about 284.6864552190.

Adding to 23072806 its reverse (60827032), we get a palindrome (83899838).

The spelling of 23072806 in words is "twenty-three million, seventy-two thousand, eight hundred six".

Divisors: 1 2 29 58 397807 795614 11536403 23072806