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42420182 = 27361837
BaseRepresentation
bin1010000111010…
…0011111010110
32221211011112212
42201310133112
541324421212
64113113422
71023365000
oct241643726
987734485
1042420182
1121a43a02
1212258872
138a332cc
1458c3370
153acde22
hex28747d6

42420182 has 16 divisors (see below), whose sum is σ = 74205600. Its totient is φ = 18179784.

The previous prime is 42420181. The next prime is 42420223. The reversal of 42420182 is 28102424.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42420181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30233 + ... + 31604.

It is an arithmetic number, because the mean of its divisors is an integer number (4637850).

Almost surely, 242420182 is an apocalyptic number.

42420182 is a deficient number, since it is larger than the sum of its proper divisors (31785418).

42420182 is an equidigital number, since it uses as much as digits as its factorization.

42420182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61860 (or 61846 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 42420182 is about 6513.0777670776. The cubic root of 42420182 is about 348.7579978724.

The spelling of 42420182 in words is "forty-two million, four hundred twenty thousand, one hundred eighty-two".

Divisors: 1 2 7 14 49 98 343 686 61837 123674 432859 865718 3030013 6060026 21210091 42420182