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316883146 = 2158441573
BaseRepresentation
bin10010111000110…
…100000011001010
3211002021022221211
4102320310003022
51122110230041
651235523334
710565314366
oct2270640312
9732238854
10316883146
11152965aa8
128a15954a
135085c628
143012a2a6
151cc46481
hex12e340ca

316883146 has 4 divisors (see below), whose sum is σ = 475324722. Its totient is φ = 158441572.

The previous prime is 316883143. The next prime is 316883173. The reversal of 316883146 is 641388613.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641388613 = 853751921.

It can be written as a sum of positive squares in only one way, i.e., 220077225 + 96805921 = 14835^2 + 9839^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 316883099 and 316883108.

It is not an unprimeable number, because it can be changed into a prime (316883143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79220785 + ... + 79220788.

Almost surely, 2316883146 is an apocalyptic number.

316883146 is a deficient number, since it is larger than the sum of its proper divisors (158441576).

316883146 is a wasteful number, since it uses less digits than its factorization.

316883146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158441575.

The product of its digits is 82944, while the sum is 40.

The square root of 316883146 is about 17801.2119250348. The cubic root of 316883146 is about 681.7624020770.

The spelling of 316883146 in words is "three hundred sixteen million, eight hundred eighty-three thousand, one hundred forty-six".

Divisors: 1 2 158441573 316883146