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349144152 = 233719891229
BaseRepresentation
bin10100110011111…
…000010001011000
3220022222100201220
4110303320101120
51203340103102
654351212040
711436450660
oct2463702130
9808870656
10349144152
1116a0a0195
1298b17020
1357446796
14345271a0
15209ba1bc
hex14cf8458

349144152 has 128 divisors (see below), whose sum is σ = 1062720000. Its totient is φ = 93367296.

The previous prime is 349144139. The next prime is 349144157. The reversal of 349144152 is 251441943.

It is a super-3 number, since 3×3491441523 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349144157) 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 in 31 ways as a sum of consecutive naturals, for example, 283474 + ... + 284702.

It is an arithmetic number, because the mean of its divisors is an integer number (8302500).

Almost surely, 2349144152 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 349144152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531360000).

349144152 is an abundant number, since it is smaller than the sum of its proper divisors (713575848).

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

349144152 is a wasteful number, since it uses less digits than its factorization.

349144152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1349 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 349144152 is about 18685.3994337825. The cubic root of 349144152 is about 704.1549837415.

The spelling of 349144152 in words is "three hundred forty-nine million, one hundred forty-four thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 19 21 24 28 38 42 56 57 76 84 89 114 133 152 168 178 228 266 267 356 399 456 532 534 623 712 798 1064 1068 1229 1246 1596 1691 1869 2136 2458 2492 3192 3382 3687 3738 4916 4984 5073 6764 7374 7476 8603 9832 10146 11837 13528 14748 14952 17206 20292 23351 23674 25809 29496 34412 35511 40584 46702 47348 51618 68824 70053 71022 93404 94696 103236 109381 140106 142044 163457 186808 206472 218762 280212 284088 326914 328143 437524 490371 560424 653828 656286 765667 875048 980742 1307656 1312572 1531334 1961484 2078239 2297001 2625144 3062668 3922968 4156478 4594002 6125336 6234717 8312956 9188004 12469434 14547673 16625912 18376008 24938868 29095346 43643019 49877736 58190692 87286038 116381384 174572076 349144152