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434220 = 22357237
BaseRepresentation
bin1101010000000101100
3211001122020
41222000230
5102343340
613150140
73455643
oct1520054
9731566
10434220
11277266
1218b350
13122847
14b435a
15889d0
hex6a02c

434220 has 24 divisors (see below), whose sum is σ = 1215984. Its totient is φ = 115776.

The previous prime is 434209. The next prime is 434221. The reversal of 434220 is 22434.

It is a happy number.

434220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 434220.

It is not an unprimeable number, because it can be changed into a prime (434221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3559 + ... + 3678.

It is an arithmetic number, because the mean of its divisors is an integer number (50666).

2434220 is an apocalyptic number.

It is an amenable number.

434220 is an abundant number, since it is smaller than the sum of its proper divisors (781764).

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

434220 is a wasteful number, since it uses less digits than its factorization.

434220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7249 (or 7247 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 434220 is about 658.9537161288. The cubic root of 434220 is about 75.7245336957.

Adding to 434220 its reverse (22434), we get a palindrome (456654).

The spelling of 434220 in words is "four hundred thirty-four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 7237 14474 21711 28948 36185 43422 72370 86844 108555 144740 217110 434220