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349710080 = 285475813
BaseRepresentation
bin10100110110000…
…010011100000000
3220101001010001012
4110312002130000
51204011210310
654411300052
711444325626
oct2466023400
9811033035
10349710080
1116a4473a5
129914a628
13575b4255
1434633516
1520a7cc05
hex14d82700

349710080 has 72 divisors (see below), whose sum is σ = 855634752. Its totient is φ = 136884224.

The previous prime is 349710079. The next prime is 349710089. The reversal of 349710080 is 80017943.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349710089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57254 + ... + 63066.

It is an arithmetic number, because the mean of its divisors is an integer number (11883816).

Almost surely, 2349710080 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 349710080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427817376).

349710080 is an abundant number, since it is smaller than the sum of its proper divisors (505924672).

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

349710080 is an equidigital number, since it uses as much as digits as its factorization.

349710080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881 (or 5867 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 349710080 is about 18700.5368906885. The cubic root of 349710080 is about 704.5352334682.

The spelling of 349710080 in words is "three hundred forty-nine million, seven hundred ten thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 47 64 80 94 128 160 188 235 256 320 376 470 640 752 940 1280 1504 1880 3008 3760 5813 6016 7520 11626 12032 15040 23252 29065 30080 46504 58130 60160 93008 116260 186016 232520 273211 372032 465040 546422 744064 930080 1092844 1366055 1488128 1860160 2185688 2732110 3720320 4371376 5464220 7440640 8742752 10928440 17485504 21856880 34971008 43713760 69942016 87427520 174855040 349710080