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420395 = 5831013
BaseRepresentation
bin1100110101000101011
3210100200012
41212220223
5101423040
613002135
73400433
oct1465053
9710605
10420395
11267938
1218334b
13119471
14ad2c3
1584865
hex66a2b

420395 has 8 divisors (see below), whose sum is σ = 511056. Its totient is φ = 331936.

The previous prime is 420383. The next prime is 420397. The reversal of 420395 is 593024.

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

It is a cyclic number.

It is not a de Polignac number, because 420395 - 26 = 420331 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 420395.

It is not an unprimeable number, because it can be changed into a prime (420397) 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, 92 + ... + 921.

It is an arithmetic number, because the mean of its divisors is an integer number (63882).

2420395 is an apocalyptic number.

420395 is a deficient number, since it is larger than the sum of its proper divisors (90661).

420395 is a wasteful number, since it uses less digits than its factorization.

420395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 420395 is about 648.3787473383. The cubic root of 420395 is about 74.9121935367.

The spelling of 420395 in words is "four hundred twenty thousand, three hundred ninety-five".

Divisors: 1 5 83 415 1013 5065 84079 420395