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501242343 = 3741678689
BaseRepresentation
bin11101111000000…
…101100111100111
31021221011202020020
4131320011213213
52011304223333
6121423210223
715264326640
oct3570054747
91257152206
10501242343
11237a35878
1211ba46973
137cacb704
144a7da6c7
152e0113b3
hex1de059e7

501242343 has 32 divisors (see below), whose sum is σ = 794196480. Its totient is φ = 275235840.

The previous prime is 501242333. The next prime is 501242377. The reversal of 501242343 is 343242105.

It is not a de Polignac number, because 501242343 - 24 = 501242327 is a prime.

It is a super-2 number, since 2×5012423432 = 502487772832259298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501242323) 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 31 ways as a sum of consecutive naturals, for example, 53343 + ... + 62031.

It is an arithmetic number, because the mean of its divisors is an integer number (24818640).

Almost surely, 2501242343 is an apocalyptic number.

501242343 is a deficient number, since it is larger than the sum of its proper divisors (292954137).

501242343 is a wasteful number, since it uses less digits than its factorization.

501242343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8807.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 501242343 is about 22388.4421744792. The cubic root of 501242343 is about 794.3573478138.

Adding to 501242343 its reverse (343242105), we get a palindrome (844484448).

The spelling of 501242343 in words is "five hundred one million, two hundred forty-two thousand, three hundred forty-three".

Divisors: 1 3 7 21 41 67 123 201 287 469 861 1407 2747 8241 8689 19229 26067 57687 60823 182469 356249 582163 1068747 1746489 2493743 4075141 7481229 12225423 23868683 71606049 167080781 501242343