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421332 = 22335111
BaseRepresentation
bin1100110110111010100
3210101221220
41212313110
5101440312
613010340
73403242
oct1466724
9711856
10421332
1126860a
121839b0
13119a12
14ad792
1584c8c
hex66dd4

421332 has 12 divisors (see below), whose sum is σ = 983136. Its totient is φ = 140440.

The previous prime is 421331. The next prime is 421339. The reversal of 421332 is 233124.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421331) 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, 17544 + ... + 17567.

It is an arithmetic number, because the mean of its divisors is an integer number (81928).

2421332 is an apocalyptic number.

It is an amenable number.

421332 is an abundant number, since it is smaller than the sum of its proper divisors (561804).

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

421332 is a wasteful number, since it uses less digits than its factorization.

421332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35118 (or 35116 counting only the distinct ones).

The product of its digits is 144, while the sum is 15.

The square root of 421332 is about 649.1009166532. The cubic root of 421332 is about 74.9678084069.

Adding to 421332 its reverse (233124), we get a palindrome (654456).

The spelling of 421332 in words is "four hundred twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 35111 70222 105333 140444 210666 421332