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421346 = 21911103
BaseRepresentation
bin1100110110111100010
3210101222102
41212313202
5101440341
613010402
73403262
oct1466742
9711872
10421346
11268622
12183a02
13119a23
14ad7a2
1584c9b
hex66de2

421346 has 8 divisors (see below), whose sum is σ = 635904. Its totient is φ = 209380.

The previous prime is 421339. The next prime is 421349. The reversal of 421346 is 643124.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (421349) 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, 170 + ... + 933.

It is an arithmetic number, because the mean of its divisors is an integer number (79488).

2421346 is an apocalyptic number.

421346 is a deficient number, since it is larger than the sum of its proper divisors (214558).

421346 is a wasteful number, since it uses less digits than its factorization.

421346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296.

The product of its digits is 576, while the sum is 20.

The square root of 421346 is about 649.1117007111. Note that the first 3 decimals coincide. The cubic root of 421346 is about 74.9686387400.

It can be divided in two parts, 421 and 346, that added together give a palindrome (767).

The spelling of 421346 in words is "four hundred twenty-one thousand, three hundred forty-six".

Divisors: 1 2 191 382 1103 2206 210673 421346