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420411986 = 2239139391
BaseRepresentation
bin11001000011101…
…111101001010010
31002022002010211022
4121003233221102
51330111140421
6105414515442
713263304631
oct3103575122
91068063738
10420411986
111a6347825
12b8965b82
136913a3b7
143db99518
1526d967ab
hex190efa52

420411986 has 8 divisors (see below), whose sum is σ = 658036224. Its totient is φ = 201066580.

The previous prime is 420411973. The next prime is 420412021. The reversal of 420411986 is 689114024.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4569650 + ... + 4569741.

It is an arithmetic number, because the mean of its divisors is an integer number (82254528).

Almost surely, 2420411986 is an apocalyptic number.

420411986 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

420411986 is a deficient number, since it is larger than the sum of its proper divisors (237624238).

420411986 is a wasteful number, since it uses less digits than its factorization.

420411986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9139416.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 420411986 is about 20503.9504974042. The cubic root of 420411986 is about 749.1320246199.

The spelling of 420411986 in words is "four hundred twenty million, four hundred eleven thousand, nine hundred eighty-six".

Divisors: 1 2 23 46 9139391 18278782 210205993 420411986