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420794 = 21131617
BaseRepresentation
bin1100110101110111010
3210101012222
41212232322
5101431134
613004042
73401543
oct1465672
9711188
10420794
11268170
12183622
131196ba
14ad4ca
1584a2e
hex66bba

420794 has 16 divisors (see below), whose sum is σ = 711936. Its totient is φ = 184800.

The previous prime is 420781. The next prime is 420799. The reversal of 420794 is 497024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374 + ... + 990.

It is an arithmetic number, because the mean of its divisors is an integer number (44496).

2420794 is an apocalyptic number.

420794 is a deficient number, since it is larger than the sum of its proper divisors (291142).

420794 is a wasteful number, since it uses less digits than its factorization.

420794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 420794 is about 648.6863648945. The cubic root of 420794 is about 74.9358859482.

The spelling of 420794 in words is "four hundred twenty thousand, seven hundred ninety-four".

Divisors: 1 2 11 22 31 62 341 617 682 1234 6787 13574 19127 38254 210397 420794