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316840354 = 2158420177
BaseRepresentation
bin10010111000101…
…001100110100010
3211002012011020221
4102320221212202
51122102342404
651234553254
710565045545
oct2270514642
9732164227
10316840354
11152936936
128a13882a
1350845ccc
143011885c
151cc38954
hex12e299a2

316840354 has 4 divisors (see below), whose sum is σ = 475260534. Its totient is φ = 158420176.

The previous prime is 316840313. The next prime is 316840357. The reversal of 316840354 is 453048613.

It is a happy number.

316840354 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 453048613 = 2931546241.

It can be written as a sum of positive squares in only one way, i.e., 231739729 + 85100625 = 15223^2 + 9225^2 .

It is not an unprimeable number, because it can be changed into a prime (316840357) by changing a digit.

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 as a sum of consecutive naturals, namely, 79210087 + ... + 79210090.

Almost surely, 2316840354 is an apocalyptic number.

316840354 is a deficient number, since it is larger than the sum of its proper divisors (158420180).

316840354 is a wasteful number, since it uses less digits than its factorization.

316840354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158420179.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 316840354 is about 17800.0099438174. The cubic root of 316840354 is about 681.7317122256.

Adding to 316840354 its reverse (453048613), we get a palindrome (769888967).

The spelling of 316840354 in words is "three hundred sixteen million, eight hundred forty thousand, three hundred fifty-four".

Divisors: 1 2 158420177 316840354