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349035960 = 233571331963
BaseRepresentation
bin10100110011011…
…101110110111000
3220022202212022210
4110303131312320
51203323122320
654345015120
711435520360
oct2463356670
9808685283
10349035960
1116a026979
1298a844a0
1357409470
14344d99a0
15209980e0
hex14cdddb8

349035960 has 128 divisors (see below), whose sum is σ = 1288788480. Its totient is φ = 73640448.

The previous prime is 349035937. The next prime is 349035991. The reversal of 349035960 is 69530943.

It is a super-2 number, since 2×3490359602 = 243652202746243200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5062 + ... + 26901.

It is an arithmetic number, because the mean of its divisors is an integer number (10068660).

Almost surely, 2349035960 is an apocalyptic number.

349035960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349035960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644394240).

349035960 is an abundant number, since it is smaller than the sum of its proper divisors (939752520).

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

349035960 is a wasteful number, since it uses less digits than its factorization.

349035960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31997 (or 31993 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 349035960 is about 18682.5041148129. The cubic root of 349035960 is about 704.0822422429.

The spelling of 349035960 in words is "three hundred forty-nine million, thirty-five thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 26 28 30 35 39 40 42 52 56 60 65 70 78 84 91 104 105 120 130 140 156 168 182 195 210 260 273 280 312 364 390 420 455 520 546 728 780 840 910 1092 1365 1560 1820 2184 2730 3640 5460 10920 31963 63926 95889 127852 159815 191778 223741 255704 319630 383556 415519 447482 479445 639260 671223 767112 831038 894964 958890 1118705 1246557 1278520 1342446 1662076 1789928 1917780 2077595 2237410 2493114 2684892 2908633 3324152 3356115 3835560 4155190 4474820 4986228 5369784 5817266 6232785 6712230 8310380 8725899 8949640 9972456 11634532 12465570 13424460 14543165 16620760 17451798 23269064 24931140 26848920 29086330 34903596 43629495 49862280 58172660 69807192 87258990 116345320 174517980 349035960