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332420243 = 291031091021
BaseRepresentation
bin10011110100000…
…101010010010011
3212011111200211212
4103310011102103
51140044421433
652552530335
711144345141
oct2364052223
9764450755
10332420243
11160708281
12933b09ab
1353b3c58c
1432212591
151e2b4d48
hex13d05493

332420243 has 16 divisors (see below), whose sum is σ = 350750400. Its totient is φ = 314616960.

The previous prime is 332420233. The next prime is 332420267. The reversal of 332420243 is 342024233.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-332420243 is a prime.

It is a super-2 number, since 2×3324202432 = 221006435912358098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (332420213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325073 + ... + 326093.

It is an arithmetic number, because the mean of its divisors is an integer number (21921900).

Almost surely, 2332420243 is an apocalyptic number.

332420243 is a deficient number, since it is larger than the sum of its proper divisors (18330157).

332420243 is a wasteful number, since it uses less digits than its factorization.

332420243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 332420243 is about 18232.3954268220. The cubic root of 332420243 is about 692.7275939133.

Subtracting from 332420243 its sum of digits (23), we obtain a triangular number (332420220 = T25784).

Adding to 332420243 its reverse (342024233), we get a palindrome (674444476).

The spelling of 332420243 in words is "three hundred thirty-two million, four hundred twenty thousand, two hundred forty-three".

Divisors: 1 29 103 109 1021 2987 3161 11227 29609 105163 111289 325583 3049727 3227381 11462767 332420243