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310142 = 2722153
BaseRepresentation
bin1001011101101111110
3120202102202
41023231332
534411032
610351502
72431130
oct1135576
9522382
10310142
111a2018
1212b592
13ab221
1481050
1561d62
hex4bb7e

310142 has 8 divisors (see below), whose sum is σ = 531696. Its totient is φ = 132912.

The previous prime is 310129. The next prime is 310169. The reversal of 310142 is 241013.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 310142.

It is an unprimeable number.

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, 11063 + ... + 11090.

It is an arithmetic number, because the mean of its divisors is an integer number (66462).

2310142 is an apocalyptic number.

310142 is a deficient number, since it is larger than the sum of its proper divisors (221554).

310142 is a wasteful number, since it uses less digits than its factorization.

310142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22162.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 310142 is about 556.9039414477. The cubic root of 310142 is about 67.6893267256.

Adding to 310142 its reverse (241013), we get a palindrome (551155).

The spelling of 310142 in words is "three hundred ten thousand, one hundred forty-two", and thus it is an iban number.

Divisors: 1 2 7 14 22153 44306 155071 310142