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42030162 = 2322335009
BaseRepresentation
bin1010000001010…
…1010001010010
32221002100112200
42200111101102
541224431122
64100504030
71020151626
oct240252122
987070480
1042030162
11217a7979
12120ab016
138927925
145821186
153a535ac
hex2815452

42030162 has 12 divisors (see below), whose sum is σ = 91065390. Its totient is φ = 14010048.

The previous prime is 42030143. The next prime is 42030167. The reversal of 42030162 is 26103024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21427641 + 20602521 = 4629^2 + 4539^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2335009 = 42030162 / (4 + 2 + 0 + 3 + 0 + 1 + 6 + 2).

It is not an unprimeable number, because it can be changed into a prime (42030167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1167487 + ... + 1167522.

Almost surely, 242030162 is an apocalyptic number.

42030162 is an abundant number, since it is smaller than the sum of its proper divisors (49035228).

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

42030162 is a wasteful number, since it uses less digits than its factorization.

42030162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335017 (or 2335014 counting only the distinct ones).

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

The square root of 42030162 is about 6483.0673295902. The cubic root of 42030162 is about 347.6858540347.

Adding to 42030162 its reverse (26103024), we get a palindrome (68133186).

The spelling of 42030162 in words is "forty-two million, thirty thousand, one hundred sixty-two".

Divisors: 1 2 3 6 9 18 2335009 4670018 7005027 14010054 21015081 42030162