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349753248 = 25331331139
BaseRepresentation
bin10100110110001…
…100111110100000
3220101010022021000
4110312030332200
51204014100443
654412232000
711444565525
oct2466147640
9811108230
10349753248
1116a476879
129916b600
13575caab0
143464514c
1520a8a8d3
hex14d8cfa0

349753248 has 96 divisors (see below), whose sum is σ = 1098619200. Its totient is φ = 107612928.

The previous prime is 349753241. The next prime is 349753259. The reversal of 349753248 is 842357943.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (349753241) 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, 4338 + ... + 26801.

It is an arithmetic number, because the mean of its divisors is an integer number (11443950).

Almost surely, 2349753248 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 349753248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549309600).

349753248 is an abundant number, since it is smaller than the sum of its proper divisors (748865952).

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

349753248 is a wasteful number, since it uses less digits than its factorization.

349753248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31171 (or 31157 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 349753248 is about 18701.6910465337. The cubic root of 349753248 is about 704.5642214094.

The spelling of 349753248 in words is "three hundred forty-nine million, seven hundred fifty-three thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 72 78 96 104 108 117 144 156 208 216 234 288 312 351 416 432 468 624 702 864 936 1248 1404 1872 2808 3744 5616 11232 31139 62278 93417 124556 186834 249112 280251 373668 404807 498224 560502 747336 809614 840753 996448 1121004 1214421 1494672 1619228 1681506 2242008 2428842 2989344 3238456 3363012 3643263 4484016 4857684 6476912 6726024 7286526 8968032 9715368 10929789 12953824 13452048 14573052 19430736 21859578 26904096 29146104 38861472 43719156 58292208 87438312 116584416 174876624 349753248