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420854311 = 616899251
BaseRepresentation
bin11001000101011…
…011101000100111
31002022220121120201
4121011123220213
51330214314221
6105432211331
713300126333
oct3105335047
91068817521
10420854311
111a661a089
12b8b39b47
1369263827
143dc727c3
1526e32891
hex1915ba27

420854311 has 4 divisors (see below), whose sum is σ = 427753624. Its totient is φ = 413955000.

The previous prime is 420854281. The next prime is 420854321. The reversal of 420854311 is 113458024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420854311 - 27 = 420854183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420854311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420854321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3449565 + ... + 3449686.

It is an arithmetic number, because the mean of its divisors is an integer number (106938406).

Almost surely, 2420854311 is an apocalyptic number.

420854311 is a deficient number, since it is larger than the sum of its proper divisors (6899313).

420854311 is an equidigital number, since it uses as much as digits as its factorization.

420854311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6899312.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 420854311 is about 20514.7339977880. The cubic root of 420854311 is about 749.3946588068.

The spelling of 420854311 in words is "four hundred twenty million, eight hundred fifty-four thousand, three hundred eleven".

Divisors: 1 61 6899251 420854311