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420322 = 2724289
BaseRepresentation
bin1100110100111100010
3210100120111
41212213202
5101422242
613001534
73400300
oct1464742
9710514
10420322
11267881
121832aa
13119416
14ad270
1584817
hex669e2

420322 has 12 divisors (see below), whose sum is σ = 733590. Its totient is φ = 180096.

The previous prime is 420319. The next prime is 420323. The reversal of 420322 is 223024.

It can be written as a sum of positive squares in only one way, i.e., 261121 + 159201 = 511^2 + 399^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2047 + ... + 2242.

2420322 is an apocalyptic number.

420322 is a deficient number, since it is larger than the sum of its proper divisors (313268).

420322 is a wasteful number, since it uses less digits than its factorization.

420322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305 (or 4298 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 420322 is about 648.3224506370. The cubic root of 420322 is about 74.9078572128.

Adding to 420322 its reverse (223024), we get a palindrome (643346).

It can be divided in two parts, 4203 and 22, that added together give a square (4225 = 652).

The spelling of 420322 in words is "four hundred twenty thousand, three hundred twenty-two", and thus it is an iban number.

Divisors: 1 2 7 14 49 98 4289 8578 30023 60046 210161 420322