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52302217 = 1117389719
BaseRepresentation
bin1100011110000…
…1000110001001
310122102020011011
43013201012021
5101342132332
65105003521
71203363412
oct307410611
9118366134
1052302217
1127583480
12156235a1
13aab3276
146d36809
1548d1e47
hex31e1189

52302217 has 16 divisors (see below), whose sum is σ = 60652800. Its totient is φ = 44573440.

The previous prime is 52302199. The next prime is 52302223. The reversal of 52302217 is 71220325.

It is a cyclic number.

It is not a de Polignac number, because 52302217 - 215 = 52269449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52302227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72384 + ... + 73102.

It is an arithmetic number, because the mean of its divisors is an integer number (3790800).

Almost surely, 252302217 is an apocalyptic number.

It is an amenable number.

52302217 is a deficient number, since it is larger than the sum of its proper divisors (8350583).

52302217 is a wasteful number, since it uses less digits than its factorization.

52302217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 52302217 is about 7232.0271708560. The cubic root of 52302217 is about 373.9728144233.

It can be divided in two parts, 5230 and 2217, that added together give a palindrome (7447).

The spelling of 52302217 in words is "fifty-two million, three hundred two thousand, two hundred seventeen".

Divisors: 1 11 17 187 389 719 4279 6613 7909 12223 72743 134453 279691 3076601 4754747 52302217