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349930 = 2574999
BaseRepresentation
bin1010101011011101010
3122210000101
41111123222
542144210
611300014
72655130
oct1253352
9583011
10349930
112199a9
1214a60a
13c3379
1491750
156da3a
hex556ea

349930 has 16 divisors (see below), whose sum is σ = 720000. Its totient is φ = 119952.

The previous prime is 349927. The next prime is 349931. The reversal of 349930 is 39943.

349930 = T46 + T47 + ... + T129.

349930 = 982 + 992 + ... + 1252.

It is not an unprimeable number, because it can be changed into a prime (349931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2430 + ... + 2569.

It is an arithmetic number, because the mean of its divisors is an integer number (45000).

2349930 is an apocalyptic number.

349930 is an abundant number, since it is smaller than the sum of its proper divisors (370070).

It is a weird number, because it is abundant, but not a pseudoperfect number.

349930 is a wasteful number, since it uses less digits than its factorization.

349930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 349930 is about 591.5488145538. The cubic root of 349930 is about 70.4682888082.

The spelling of 349930 in words is "three hundred forty-nine thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 4999 9998 24995 34993 49990 69986 174965 349930