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420350 = 25271201
BaseRepresentation
bin1100110100111111110
3210100121112
41212213332
5101422400
613002022
73400340
oct1464776
9710545
10420350
112678a7
12183312
13119438
14ad290
1584835
hex669fe

420350 has 24 divisors (see below), whose sum is σ = 894288. Its totient is φ = 144000.

The previous prime is 420349. The next prime is 420353. The reversal of 420350 is 53024.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251 + ... + 950.

It is an arithmetic number, because the mean of its divisors is an integer number (37262).

2420350 is an apocalyptic number.

420350 is an abundant number, since it is smaller than the sum of its proper divisors (473938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420350 is a wasteful number, since it uses less digits than its factorization.

420350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 420350 is about 648.3440444702. The cubic root of 420350 is about 74.9095205197.

Adding to 420350 its reverse (53024), we get a palindrome (473374).

The spelling of 420350 in words is "four hundred twenty thousand, three hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 1201 2402 6005 8407 12010 16814 30025 42035 60050 84070 210175 420350