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308142016 = 26713157337
BaseRepresentation
bin10010010111011…
…101111111000000
3210110211020101021
4102113131333000
51112341021031
650324315224
710431110140
oct2227357700
9713736337
10308142016
11148a35726
1287242b14
134babba70
142ccd2920
151c0bb511
hex125ddfc0

308142016 has 112 divisors (see below), whose sum is σ = 759618496. Its totient is φ = 120766464.

The previous prime is 308142007. The next prime is 308142041. The reversal of 308142016 is 610241803.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914200 + ... + 914536.

It is an arithmetic number, because the mean of its divisors is an integer number (6782308).

Almost surely, 2308142016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308142016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379809248).

308142016 is an abundant number, since it is smaller than the sum of its proper divisors (451476480).

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

308142016 is a wasteful number, since it uses less digits than its factorization.

308142016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 308142016 is about 17553.9743647984. The cubic root of 308142016 is about 675.4351221010.

Adding to 308142016 its reverse (610241803), we get a palindrome (918383819).

The spelling of 308142016 in words is "three hundred eight million, one hundred forty-two thousand, sixteen".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 157 182 208 224 314 337 364 416 448 628 674 728 832 1099 1256 1348 1456 2041 2198 2359 2512 2696 2912 4082 4381 4396 4718 5024 5392 5824 8164 8762 8792 9436 10048 10784 14287 16328 17524 17584 18872 21568 28574 30667 32656 35048 35168 37744 52909 57148 61334 65312 70096 70336 75488 105818 114296 122668 130624 140192 150976 211636 228592 245336 280384 370363 423272 457184 490672 687817 740726 846544 914368 981344 1375634 1481452 1693088 1962688 2751268 2962904 3386176 4814719 5502536 5925808 9629438 11005072 11851616 19258876 22010144 23703232 38517752 44020288 77035504 154071008 308142016