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23945141 = 112176831
BaseRepresentation
bin101101101010…
…1111110110101
31200001112120002
41123111332311
522112221031
62213121045
7410346623
oct133257665
950045502
1023945141
1112575380
128029185
134c6502c
143274513
15217eccb
hex16d5fb5

23945141 has 4 divisors (see below), whose sum is σ = 26121984. Its totient is φ = 21768300.

The previous prime is 23945101. The next prime is 23945147. The reversal of 23945141 is 14154932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23945141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23945147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088405 + ... + 1088426.

It is an arithmetic number, because the mean of its divisors is an integer number (6530496).

Almost surely, 223945141 is an apocalyptic number.

It is an amenable number.

23945141 is a deficient number, since it is larger than the sum of its proper divisors (2176843).

23945141 is a wasteful number, since it uses less digits than its factorization.

23945141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176842.

The product of its digits is 4320, while the sum is 29.

The square root of 23945141 is about 4893.3772591126. The cubic root of 23945141 is about 288.2299675891.

The spelling of 23945141 in words is "twenty-three million, nine hundred forty-five thousand, one hundred forty-one".

Divisors: 1 11 2176831 23945141