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348930 = 23253877
BaseRepresentation
bin1010101001100000010
3122201122100
41111030002
542131210
611251230
72652201
oct1251402
9581570
10348930
1121917a
12149b16
13c2a8a
1491238
156d5c0
hex55302

348930 has 24 divisors (see below), whose sum is σ = 907452. Its totient is φ = 93024.

The previous prime is 348923. The next prime is 348937. The reversal of 348930 is 39843.

It is an interprime number because it is at equal distance from previous prime (348923) and next prime (348937).

It can be written as a sum of positive squares in 2 ways, for example, as 335241 + 13689 = 579^2 + 117^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 348894 and 348903.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 348930.

It is not an unprimeable number, because it can be changed into a prime (348937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1849 + ... + 2028.

2348930 is an apocalyptic number.

348930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

348930 is an abundant number, since it is smaller than the sum of its proper divisors (558522).

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

348930 is a wasteful number, since it uses less digits than its factorization.

348930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890 (or 3887 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 348930 is about 590.7029710438. The cubic root of 348930 is about 70.4010986829.

The spelling of 348930 in words is "three hundred forty-eight thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 3877 7754 11631 19385 23262 34893 38770 58155 69786 116310 174465 348930