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316391488 = 2671741543
BaseRepresentation
bin10010110110111…
…100000001000000
3211001100100112021
4102312330001000
51121444011423
651221211224
710561166110
oct2266740100
9731310467
10316391488
1115265a676
1289b60b14
13507198ca
143003d040
151cb9a95d
hex12dbc040

316391488 has 56 divisors (see below), whose sum is σ = 759756672. Its totient is φ = 127617024.

The previous prime is 316391483. The next prime is 316391521. The reversal of 316391488 is 884193613.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (316391483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13156 + ... + 28387.

Almost surely, 2316391488 is an apocalyptic number.

It is an amenable number.

316391488 is an abundant number, since it is smaller than the sum of its proper divisors (443365184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316391488 is a wasteful number, since it uses less digits than its factorization.

316391488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41579 (or 41569 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 316391488 is about 17787.3968865599. The cubic root of 316391488 is about 681.4096248794.

The spelling of 316391488 in words is "three hundred sixteen million, three hundred ninety-one thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 56 64 68 112 119 136 224 238 272 448 476 544 952 1088 1904 3808 7616 41543 83086 166172 290801 332344 581602 664688 706231 1163204 1329376 1412462 2326408 2658752 2824924 4652816 4943617 5649848 9305632 9887234 11299696 18611264 19774468 22599392 39548936 45198784 79097872 158195744 316391488