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142304 = 254447
BaseRepresentation
bin100010101111100000
321020012112
4202233200
514023204
63014452
71131611
oct425740
9236175
10142304
1197a08
126a428
134ca06
1439c08
152c26e
hex22be0

142304 has 12 divisors (see below), whose sum is σ = 280224. Its totient is φ = 71136.

The previous prime is 142297. The next prime is 142319. The reversal of 142304 is 403241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2192 + ... + 2255.

It is an arithmetic number, because the mean of its divisors is an integer number (23352).

2142304 is an apocalyptic number.

It is an amenable number.

142304 is a deficient number, since it is larger than the sum of its proper divisors (137920).

142304 is an equidigital number, since it uses as much as digits as its factorization.

142304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457 (or 4449 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 142304 is about 377.2320240913. The cubic root of 142304 is about 52.2082379604.

Adding to 142304 its reverse (403241), we get a palindrome (545545).

The spelling of 142304 in words is "one hundred forty-two thousand, three hundred four", and thus it is an iban number.

Divisors: 1 2 4 8 16 32 4447 8894 17788 35576 71152 142304