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52423305 = 3511317717
BaseRepresentation
bin1100011111111…
…0101010001001
310122122101020220
43013332222021
5101410021210
65111340253
71204406424
oct307765211
9118571226
1052423305
1127656450
1215681689
13ab2640c
146d689bb
154907c70
hex31fea89

52423305 has 16 divisors (see below), whose sum is σ = 91502784. Its totient is φ = 25417280.

The previous prime is 52423303. The next prime is 52423309. The reversal of 52423305 is 50332425.

It is not a de Polignac number, because 52423305 - 21 = 52423303 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52423303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158694 + ... + 159023.

It is an arithmetic number, because the mean of its divisors is an integer number (5718924).

Almost surely, 252423305 is an apocalyptic number.

52423305 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52423305 is a deficient number, since it is larger than the sum of its proper divisors (39079479).

52423305 is a wasteful number, since it uses less digits than its factorization.

52423305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317736.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 52423305 is about 7240.3939809930. The cubic root of 52423305 is about 374.2611942878.

The spelling of 52423305 in words is "fifty-two million, four hundred twenty-three thousand, three hundred five".

Divisors: 1 3 5 11 15 33 55 165 317717 953151 1588585 3494887 4765755 10484661 17474435 52423305