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349358880 = 25351355987
BaseRepresentation
bin10100110100101…
…100101100100000
3220100101021021210
4110310230230200
51203413441010
654355550120
711441334003
oct2464545440
9810337253
10349358880
1116a227552
1298bbb340
13574c0440
143458153a
1520a0db20
hex14d2cb20

349358880 has 96 divisors (see below), whose sum is σ = 1185153984. Its totient is φ = 85994496.

The previous prime is 349358873. The next prime is 349358923. The reversal of 349358880 is 88853943.

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

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21754 + ... + 34233.

It is an arithmetic number, because the mean of its divisors is an integer number (12345354).

Almost surely, 2349358880 is an apocalyptic number.

349358880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

349358880 is an abundant number, since it is smaller than the sum of its proper divisors (835795104).

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

349358880 is a wasteful number, since it uses less digits than its factorization.

349358880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56018 (or 56010 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 349358880 is about 18691.1444272415. The cubic root of 349358880 is about 704.2993088520.

The spelling of 349358880 in words is "three hundred forty-nine million, three hundred fifty-eight thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 65 78 80 96 104 120 130 156 160 195 208 240 260 312 390 416 480 520 624 780 1040 1248 1560 2080 3120 6240 55987 111974 167961 223948 279935 335922 447896 559870 671844 727831 839805 895792 1119740 1343688 1455662 1679610 1791584 2183493 2239480 2687376 2911324 3359220 3639155 4366986 4478960 5374752 5822648 6718440 7278310 8733972 8957920 10917465 11645296 13436880 14556620 17467944 21834930 23290592 26873760 29113240 34935888 43669860 58226480 69871776 87339720 116452960 174679440 349358880