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23107307 = 31745397
BaseRepresentation
bin101100000100…
…1011011101011
31121110222021012
41120021123223
521403413212
62143134135
7400260146
oct130113353
947428235
1023107307
1112052953
1278a434b
134a30882
1430d705d
152066922
hex16096eb

23107307 has 4 divisors (see below), whose sum is σ = 23852736. Its totient is φ = 22361880.

The previous prime is 23107303. The next prime is 23107319. The reversal of 23107307 is 70370132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23107307 - 22 = 23107303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23107303) 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 3 ways as a sum of consecutive naturals, for example, 372668 + ... + 372729.

It is an arithmetic number, because the mean of its divisors is an integer number (5963184).

Almost surely, 223107307 is an apocalyptic number.

23107307 is a deficient number, since it is larger than the sum of its proper divisors (745429).

23107307 is an equidigital number, since it uses as much as digits as its factorization.

23107307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745428.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 23107307 is about 4807.0060328649. The cubic root of 23107307 is about 284.8282827284.

Adding to 23107307 its reverse (70370132), we get a palindrome (93477439).

The spelling of 23107307 in words is "twenty-three million, one hundred seven thousand, three hundred seven".

Divisors: 1 31 745397 23107307