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42223351 = 532932719
BaseRepresentation
bin1010000100010…
…0011011110111
32221110011112211
42201010123313
541302121401
64104554251
71021615102
oct241043367
987404484
1042223351
112191a035
1212182987
138994841
145871739
153a90951
hex28446f7

42223351 has 8 divisors (see below), whose sum is σ = 43182720. Its totient is φ = 41270112.

The previous prime is 42223303. The next prime is 42223361. The reversal of 42223351 is 15332224.

42223351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42223351 is a prime.

It is a super-2 number, since 2×422233512 = 3565622739338402, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42223361) 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 7 ways as a sum of consecutive naturals, for example, 14170 + ... + 16888.

It is an arithmetic number, because the mean of its divisors is an integer number (5397840).

Almost surely, 242223351 is an apocalyptic number.

42223351 is a deficient number, since it is larger than the sum of its proper divisors (959369).

42223351 is a wasteful number, since it uses less digits than its factorization.

42223351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065.

The product of its digits is 1440, while the sum is 22.

The square root of 42223351 is about 6497.9497535761. The cubic root of 42223351 is about 348.2177453276.

Adding to 42223351 its reverse (15332224), we get a palindrome (57555575).

The spelling of 42223351 in words is "forty-two million, two hundred twenty-three thousand, three hundred fifty-one".

Divisors: 1 53 293 2719 15529 144107 796667 42223351