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420130124 = 22432442617
BaseRepresentation
bin11001000010101…
…010110101001100
31002021112211011222
4121002222311030
51330023130444
6105404502512
713261022111
oct3102526514
91067484158
10420130124
111a6174a87
12b884aa38
136906c00b
143db24908
1526d3ceee
hex190aad4c

420130124 has 12 divisors (see below), whose sum is σ = 752326344. Its totient is φ = 205179744.

The previous prime is 420130103. The next prime is 420130171. The reversal of 420130124 is 421031024.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1221137 + ... + 1221480.

It is an arithmetic number, because the mean of its divisors is an integer number (62693862).

Almost surely, 2420130124 is an apocalyptic number.

It is an amenable number.

420130124 is a deficient number, since it is larger than the sum of its proper divisors (332196220).

420130124 is a wasteful number, since it uses less digits than its factorization.

420130124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442664 (or 2442662 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 420130124 is about 20497.0759865889. The cubic root of 420130124 is about 748.9645705798.

Adding to 420130124 its reverse (421031024), we get a palindrome (841161148).

The spelling of 420130124 in words is "four hundred twenty million, one hundred thirty thousand, one hundred twenty-four".

Divisors: 1 2 4 43 86 172 2442617 4885234 9770468 105032531 210065062 420130124