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42396180 = 2235706603
BaseRepresentation
bin1010000110111…
…0101000010100
32221202221121220
42201232220110
541323134210
64112410340
71023235011
oct241565024
987687556
1042396180
1121a27972
12122469b0
138a253c8
1458b8708
153ac6c70
hex286ea14

42396180 has 24 divisors (see below), whose sum is σ = 118709472. Its totient is φ = 11305632.

The previous prime is 42396169. The next prime is 42396187. The reversal of 42396180 is 8169324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42396187) 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 7 ways as a sum of consecutive naturals, for example, 353242 + ... + 353361.

It is an arithmetic number, because the mean of its divisors is an integer number (4946228).

Almost surely, 242396180 is an apocalyptic number.

It is an amenable number.

42396180 is an abundant number, since it is smaller than the sum of its proper divisors (76313292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42396180 is a wasteful number, since it uses less digits than its factorization.

42396180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706615 (or 706613 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 42396180 is about 6511.2349059145. The cubic root of 42396180 is about 348.6922078926.

The spelling of 42396180 in words is "forty-two million, three hundred ninety-six thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 706603 1413206 2119809 2826412 3533015 4239618 7066030 8479236 10599045 14132060 21198090 42396180