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420131002 = 21911056079
BaseRepresentation
bin11001000010101…
…011000010111010
31002021112212101111
4121002223002322
51330023143002
6105404510534
713261024504
oct3102530272
91067485344
10420131002
111a6175705
12b884b44a
136906c535
143db24d74
1526d3d3d7
hex190ab0ba

420131002 has 8 divisors (see below), whose sum is σ = 663364800. Its totient is φ = 199009404.

The previous prime is 420130999. The next prime is 420131039. The reversal of 420131002 is 200131024.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 5528002 + ... + 5528077.

It is an arithmetic number, because the mean of its divisors is an integer number (82920600).

Almost surely, 2420131002 is an apocalyptic number.

420131002 is a deficient number, since it is larger than the sum of its proper divisors (243233798).

420131002 is a wasteful number, since it uses less digits than its factorization.

420131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11056100.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 420131002 is about 20497.0974042668. The cubic root of 420131002 is about 748.9650923153.

Adding to 420131002 its reverse (200131024), we get a palindrome (620262026).

The spelling of 420131002 in words is "four hundred twenty million, one hundred thirty-one thousand, two".

Divisors: 1 2 19 38 11056079 22112158 210065501 420131002