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349793760 = 25351136449
BaseRepresentation
bin10100110110010…
…110110111100000
3220101012100211110
4110312112313200
51204021400020
654413143320
711445124611
oct2466266740
9811170743
10349793760
1116a4a4258
129918ab40
1357613374
1434655c08
1520a978e0
hex14d96de0

349793760 has 96 divisors (see below), whose sum is σ = 1111773600. Its totient is φ = 92438528.

The previous prime is 349793723. The next prime is 349793761. The reversal of 349793760 is 67397943.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349793761) 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, 51016 + ... + 57464.

It is an arithmetic number, because the mean of its divisors is an integer number (11580975).

Almost surely, 2349793760 is an apocalyptic number.

349793760 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 349793760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555886800).

349793760 is an abundant number, since it is smaller than the sum of its proper divisors (761979840).

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

349793760 is a wasteful number, since it uses less digits than its factorization.

349793760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6580 (or 6572 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 48.

The square root of 349793760 is about 18702.7741257814. The cubic root of 349793760 is about 704.5914236383.

The spelling of 349793760 in words is "three hundred forty-nine million, seven hundred ninety-three thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 113 120 160 226 240 339 452 480 565 678 904 1130 1356 1695 1808 2260 2712 3390 3616 4520 5424 6449 6780 9040 10848 12898 13560 18080 19347 25796 27120 32245 38694 51592 54240 64490 77388 96735 103184 128980 154776 193470 206368 257960 309552 386940 515920 619104 728737 773880 1031840 1457474 1547760 2186211 2914948 3095520 3643685 4372422 5829896 7287370 8744844 10931055 11659792 14574740 17489688 21862110 23319584 29149480 34979376 43724220 58298960 69958752 87448440 116597920 174896880 349793760