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349223160 = 2335111347433
BaseRepresentation
bin10100110100001…
…011100011111000
3220100010101010010
4110310023203320
51203400120120
654353021520
711440230216
oct2464134370
9810111103
10349223160
1116a144590
1298b548a0
1357473730
1434547cb6
15209d37e0
hex14d0b8f8

349223160 has 256 divisors, whose sum is σ = 1259919360. Its totient is φ = 76308480.

The previous prime is 349223159. The next prime is 349223209. The reversal of 349223160 is 61322943.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 806304 + ... + 806736.

It is an arithmetic number, because the mean of its divisors is an integer number (4921560).

Almost surely, 2349223160 is an apocalyptic number.

349223160 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 349223160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629959680).

349223160 is an abundant number, since it is smaller than the sum of its proper divisors (910696200).

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

349223160 is a wasteful number, since it uses less digits than its factorization.

349223160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 349223160 is about 18687.5134782560. The cubic root of 349223160 is about 704.2080942602.

The spelling of 349223160 in words is "three hundred forty-nine million, two hundred twenty-three thousand, one hundred sixty".