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420083 = 479877
BaseRepresentation
bin1100110100011110011
3210100020122
41212203303
5101420313
613000455
73366506
oct1464363
9710218
10420083
11267684
1218312b
13119291
14ad13d
1584708
hex668f3

420083 has 4 divisors (see below), whose sum is σ = 421440. Its totient is φ = 418728.

The previous prime is 420073. The next prime is 420097. The reversal of 420083 is 380024.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 420083 - 28 = 419827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420073) 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, 41 + ... + 917.

It is an arithmetic number, because the mean of its divisors is an integer number (105360).

2420083 is an apocalyptic number.

420083 is a deficient number, since it is larger than the sum of its proper divisors (1357).

420083 is an equidigital number, since it uses as much as digits as its factorization.

420083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356.

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

The square root of 420083 is about 648.1381025677. The cubic root of 420083 is about 74.8936566934.

The spelling of 420083 in words is "four hundred twenty thousand, eighty-three".

Divisors: 1 479 877 420083