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42223311 = 3213563641
BaseRepresentation
bin1010000100010…
…0011011001111
32221110011111100
42201010123033
541302121221
64104554143
71021615014
oct241043317
987404440
1042223311
1121919aa9
1212182953
138994810
14587170b
153a90926
hex28446cf

42223311 has 24 divisors (see below), whose sum is σ = 65900016. Its totient is φ = 25896960.

The previous prime is 42223303. The next prime is 42223361. The reversal of 42223311 is 11332224.

42223311 = T1755 + T1756 + ... + T1781.

42223311 is a `hidden beast` number, since 422 + 233 + 11 = 666.

It is not a de Polignac number, because 42223311 - 23 = 42223303 is a prime.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65551 + ... + 66191.

It is an arithmetic number, because the mean of its divisors is an integer number (2745834).

Almost surely, 242223311 is an apocalyptic number.

42223311 is a deficient number, since it is larger than the sum of its proper divisors (23676705).

42223311 is a wasteful number, since it uses less digits than its factorization.

42223311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223 (or 1220 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 42223311 is about 6497.9466756815. The cubic root of 42223311 is about 348.2176353670.

Adding to 42223311 its reverse (11332224), we get a palindrome (53555535).

The spelling of 42223311 in words is "forty-two million, two hundred twenty-three thousand, three hundred eleven".

Divisors: 1 3 9 13 39 117 563 641 1689 1923 5067 5769 7319 8333 21957 24999 65871 74997 360883 1082649 3247947 4691479 14074437 42223311