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3111287424 = 27372275099
BaseRepresentation
bin1011100101110010…
…0111101010000000
322000211102202222120
42321130213222000
522332442144144
61232421404240
7140046335550
oct27134475200
98024382876
103111287424
111357271323
12729b69680
133a777a89b
142172d5160
15133227e19
hexb9727a80

3111287424 has 128 divisors (see below), whose sum is σ = 9488448000. Its totient is φ = 884849664.

The previous prime is 3111287363. The next prime is 3111287429. The reversal of 3111287424 is 4247821113.

It is a tau number, because it is divible by the number of its divisors (128).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3111287429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607627 + ... + 612725.

It is an arithmetic number, because the mean of its divisors is an integer number (74128500).

Almost surely, 23111287424 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 3111287424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4744224000).

3111287424 is an abundant number, since it is smaller than the sum of its proper divisors (6377160576).

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

3111287424 is a wasteful number, since it uses less digits than its factorization.

3111287424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5350 (or 5338 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 3111287424 is about 55778.9155864472. The cubic root of 3111287424 is about 1459.8672901204.

The spelling of 3111287424 in words is "three billion, one hundred eleven million, two hundred eighty-seven thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 227 336 384 448 454 672 681 896 908 1344 1362 1589 1816 2688 2724 3178 3632 4767 5099 5448 6356 7264 9534 10198 10896 12712 14528 15297 19068 20396 21792 25424 29056 30594 35693 38136 40792 43584 50848 61188 71386 76272 81584 87168 101696 107079 122376 142772 152544 163168 203392 214158 244752 285544 305088 326336 428316 489504 571088 610176 652672 856632 979008 1142176 1157473 1713264 1958016 2284352 2314946 3426528 3472419 4568704 4629892 6853056 6944838 8102311 9259784 13706112 13889676 16204622 18519568 24306933 27779352 32409244 37039136 48613866 55558704 64818488 74078272 97227732 111117408 129636976 148156544 194455464 222234816 259273952 388910928 444469632 518547904 777821856 1037095808 1555643712 3111287424