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316620142 = 2198399931
BaseRepresentation
bin10010110111110…
…011110101101110
3211001202222011221
4102313303311232
51122023321032
651230133554
710563140536
oct2267636556
9731688157
10316620142
111527a6443
128a0512ba
13507999c7
143009c4c6
151cbe3597
hex12df3d6e

316620142 has 16 divisors (see below), whose sum is σ = 500572800. Its totient is φ = 149784120.

The previous prime is 316620133. The next prime is 316620149. The reversal of 316620142 is 241026613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316620149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26917 + ... + 36847.

It is an arithmetic number, because the mean of its divisors is an integer number (31285800).

Almost surely, 2316620142 is an apocalyptic number.

316620142 is a deficient number, since it is larger than the sum of its proper divisors (183952658).

316620142 is a wasteful number, since it uses less digits than its factorization.

316620142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10791.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 316620142 is about 17793.8231417534. The cubic root of 316620142 is about 681.5737354026.

Adding to 316620142 its reverse (241026613), we get a palindrome (557646755).

The spelling of 316620142 in words is "three hundred sixteen million, six hundred twenty thousand, one hundred forty-two".

Divisors: 1 2 19 38 839 1678 9931 15941 19862 31882 188689 377378 8332109 16664218 158310071 316620142