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320042 = 2179413
BaseRepresentation
bin1001110001000101010
3121021000102
41032020222
540220132
610505402
72502032
oct1161052
9537012
10320042
111a94a8
12135262
13b2898
14848c2
1564c62
hex4e22a

320042 has 8 divisors (see below), whose sum is σ = 508356. Its totient is φ = 150592.

The previous prime is 320041. The next prime is 320053. The reversal of 320042 is 240023.

It can be written as a sum of positive squares in 2 ways, for example, as 241081 + 78961 = 491^2 + 281^2 .

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 (320041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4673 + ... + 4740.

2320042 is an apocalyptic number.

320042 is a deficient number, since it is larger than the sum of its proper divisors (188314).

320042 is a wasteful number, since it uses less digits than its factorization.

320042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9432.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 320042 is about 565.7225468372. The cubic root of 320042 is about 68.4020301941.

Adding to 320042 its reverse (240023), we get a palindrome (560065).

The spelling of 320042 in words is "three hundred twenty thousand, forty-two", and thus it is an iban number.

Divisors: 1 2 17 34 9413 18826 160021 320042