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44172023 = 76310289
BaseRepresentation
bin1010100010000…
…0001011110111
310002010011121212
42220200023313
542302001043
64214432035
71044312260
oct250401367
9102104555
1044172023
1122a30105
121296261b
1391c77bc
145c1b967
153d28018
hex2a202f7

44172023 has 4 divisors (see below), whose sum is σ = 50482320. Its totient is φ = 37861728.

The previous prime is 44172013. The next prime is 44172031. The reversal of 44172023 is 32027144.

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 44172023 - 28 = 44171767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44172023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44172013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3155138 + ... + 3155151.

It is an arithmetic number, because the mean of its divisors is an integer number (12620580).

Almost surely, 244172023 is an apocalyptic number.

44172023 is a deficient number, since it is larger than the sum of its proper divisors (6310297).

44172023 is an equidigital number, since it uses as much as digits as its factorization.

44172023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6310296.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 44172023 is about 6646.2036532144. The cubic root of 44172023 is about 353.4943118573.

Adding to 44172023 its reverse (32027144), we get a palindrome (76199167).

The spelling of 44172023 in words is "forty-four million, one hundred seventy-two thousand, twenty-three".

Divisors: 1 7 6310289 44172023