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420232132 = 22678115493
BaseRepresentation
bin11001000011000…
…011101111000100
31002021202000010001
4121003003233010
51330034412012
6105411011044
713261625365
oct3103035704
91067660101
10420232132
111a6234691
12b8899a84
13690a6588
143db4db6c
1526d5d357
hex190c3bc4

420232132 has 12 divisors (see below), whose sum is σ = 735562156. Its totient is φ = 210071520.

The previous prime is 420232097. The next prime is 420232133. The reversal of 420232132 is 231232024.

It can be written as a sum of positive squares in 2 ways, for example, as 85488516 + 334743616 = 9246^2 + 18296^2 .

It is not an unprimeable number, because it can be changed into a prime (420232133) 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 3 ways as a sum of consecutive naturals, for example, 19378 + ... + 34870.

Almost surely, 2420232132 is an apocalyptic number.

It is an amenable number.

420232132 is a deficient number, since it is larger than the sum of its proper divisors (315330024).

420232132 is a wasteful number, since it uses less digits than its factorization.

420232132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22278 (or 22276 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 420232132 is about 20499.5641904895. The cubic root of 420232132 is about 749.0251821150.

Adding to 420232132 its reverse (231232024), we get a palindrome (651464156).

The spelling of 420232132 in words is "four hundred twenty million, two hundred thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 6781 13562 15493 27124 30986 61972 105058033 210116066 420232132