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42002260 = 2252100113
BaseRepresentation
bin1010000000111…
…0011101010100
32221000221021021
42200032131110
541223033020
64100130524
71020004366
oct240163524
987027237
1042002260
1121788a13
1212096a44
138918011
145814d36
153a4a1aa
hex280e754

42002260 has 12 divisors (see below), whose sum is σ = 88204788. Its totient is φ = 16800896.

The previous prime is 42002239. The next prime is 42002269. The reversal of 42002260 is 6220024.

It can be written as a sum of positive squares in 2 ways, for example, as 24462916 + 17539344 = 4946^2 + 4188^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42002269) 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 3 ways as a sum of consecutive naturals, for example, 1050037 + ... + 1050076.

It is an arithmetic number, because the mean of its divisors is an integer number (7350399).

Almost surely, 242002260 is an apocalyptic number.

It is an amenable number.

42002260 is an abundant number, since it is smaller than the sum of its proper divisors (46202528).

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

42002260 is a wasteful number, since it uses less digits than its factorization.

42002260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100122 (or 2100120 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 42002260 is about 6480.9150588478. The cubic root of 42002260 is about 347.6088991548.

Adding to 42002260 its reverse (6220024), we get a palindrome (48222284).

The spelling of 42002260 in words is "forty-two million, two thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 2100113 4200226 8400452 10500565 21001130 42002260