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310032142 = 2722145153
BaseRepresentation
bin10010011110101…
…011011100001110
3210121101021010221
4102132223130032
51113332012032
650433021554
710453141540
oct2236533416
9717337127
10310032142
1114a006812
12879b48ba
134c301194
142d265690
151c341597
hex127ab70e

310032142 has 8 divisors (see below), whose sum is σ = 531483696. Its totient is φ = 132870912.

The previous prime is 310032131. The next prime is 310032167. The reversal of 310032142 is 241230013.

It is a happy number.

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

It is a super-2 number, since 2×3100321422 = 192239858146216328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11072563 + ... + 11072590.

It is an arithmetic number, because the mean of its divisors is an integer number (66435462).

Almost surely, 2310032142 is an apocalyptic number.

310032142 is a deficient number, since it is larger than the sum of its proper divisors (221451554).

310032142 is a wasteful number, since it uses less digits than its factorization.

310032142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22145162.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 310032142 is about 17607.7296094641. The cubic root of 310032142 is about 676.8133351361.

Adding to 310032142 its reverse (241230013), we get a palindrome (551262155).

The spelling of 310032142 in words is "three hundred ten million, thirty-two thousand, one hundred forty-two".

Divisors: 1 2 7 14 22145153 44290306 155016071 310032142