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42012333 = 32114371139
BaseRepresentation
bin1010000001000…
…0111010101101
32221001110002100
42200100322231
541223343313
64100245313
71020045636
oct240207255
987043070
1042012333
1121795540
12120a0839
13891c78c
14581888d
153a4d173
hex2810ead

42012333 has 48 divisors (see below), whose sum is σ = 69189120. Its totient is φ = 24343200.

The previous prime is 42012323. The next prime is 42012337. The reversal of 42012333 is 33321024.

It is not a de Polignac number, because 42012333 - 25 = 42012301 is a prime.

It is a super-2 number, since 2×420123332 = 3530072248205778, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42012337) 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 47 ways as a sum of consecutive naturals, for example, 302178 + ... + 302316.

It is an arithmetic number, because the mean of its divisors is an integer number (1441440).

Almost surely, 242012333 is an apocalyptic number.

42012333 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

42012333 is a deficient number, since it is larger than the sum of its proper divisors (27176787).

42012333 is a wasteful number, since it uses less digits than its factorization.

42012333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 42012333 is about 6481.6921401745. The cubic root of 42012333 is about 347.6366848388.

Adding to 42012333 its reverse (33321024), we get a palindrome (75333357).

The spelling of 42012333 in words is "forty-two million, twelve thousand, three hundred thirty-three".

Divisors: 1 3 9 11 33 43 71 99 129 139 213 387 417 473 639 781 1251 1419 1529 2343 3053 4257 4587 5977 7029 9159 9869 13761 17931 27477 29607 33583 53793 65747 88821 100749 108559 197241 302247 325677 424367 591723 977031 1273101 3819303 4668037 14004111 42012333