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42900022 = 21141199239
BaseRepresentation
bin1010001110100…
…1101000110110
32222201112202201
42203221220312
541440300042
64131255114
71030433644
oct243515066
988645681
1042900022
1122241470
121244a49a
138b70839
1459aa194
153b761b7
hex28e9a36

42900022 has 32 divisors (see below), whose sum is σ = 72576000. Its totient is φ = 18849600.

The previous prime is 42900017. The next prime is 42900023. The reversal of 42900022 is 22000924.

It is a happy number.

42900022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42900023) 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, 179379 + ... + 179617.

It is an arithmetic number, because the mean of its divisors is an integer number (2268000).

Almost surely, 242900022 is an apocalyptic number.

42900022 is a deficient number, since it is larger than the sum of its proper divisors (29675978).

42900022 is a wasteful number, since it uses less digits than its factorization.

42900022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 42900022 is about 6549.8108369632. The cubic root of 42900022 is about 350.0680738338.

Adding to 42900022 its reverse (22000924), we get a palindrome (64900946).

The spelling of 42900022 in words is "forty-two million, nine hundred thousand, twenty-two".

Divisors: 1 2 11 22 41 82 199 239 398 451 478 902 2189 2629 4378 5258 8159 9799 16318 19598 47561 89749 95122 107789 179498 215578 523171 1046342 1950001 3900002 21450011 42900022