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420285826 = 21124318691
BaseRepresentation
bin11001000011010…
…000110110000010
31002021211201202201
4121003100312002
51330043121301
6105412103414
713262241052
oct3103206602
91067751681
10420285826
111a6270a64
12b8904b6a
13690c4b4c
143db65562
1526d6e201
hex190d0d82

420285826 has 8 divisors (see below), whose sum is σ = 630518544. Its totient is φ = 210112980.

The previous prime is 420285823. The next prime is 420285829. The reversal of 420285826 is 628582024.

It is an interprime number because it is at equal distance from previous prime (420285823) and next prime (420285829).

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

It is not an unprimeable number, because it can be changed into a prime (420285823) 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, 13141 + ... + 31831.

It is an arithmetic number, because the mean of its divisors is an integer number (78814818).

Almost surely, 2420285826 is an apocalyptic number.

420285826 is a deficient number, since it is larger than the sum of its proper divisors (210232718).

420285826 is a wasteful number, since it uses less digits than its factorization.

420285826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29936.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 420285826 is about 20500.8737862560. The cubic root of 420285826 is about 749.0570822977.

The spelling of 420285826 in words is "four hundred twenty million, two hundred eighty-five thousand, eight hundred twenty-six".

Divisors: 1 2 11243 18691 22486 37382 210142913 420285826