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348426 = 232131489
BaseRepresentation
bin1010101000100001010
3122200221200
41111010022
542122201
611245030
72650551
oct1250412
9580850
10348426
11218861
12149776
13c2790
1490d98
156d386
hex5510a

348426 has 24 divisors (see below), whose sum is σ = 813540. Its totient is φ = 107136.

The previous prime is 348421. The next prime is 348431. The reversal of 348426 is 624843.

It is an interprime number because it is at equal distance from previous prime (348421) and next prime (348431).

It can be written as a sum of positive squares in 2 ways, for example, as 308025 + 40401 = 555^2 + 201^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 348426.

It is not an unprimeable number, because it can be changed into a prime (348421) by changing a digit.

348426 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 511 + ... + 978.

2348426 is an apocalyptic number.

348426 is an abundant number, since it is smaller than the sum of its proper divisors (465114).

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

348426 is a wasteful number, since it uses less digits than its factorization.

348426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1507 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 348426 is about 590.2762065339. The cubic root of 348426 is about 70.3671861970.

The spelling of 348426 in words is "three hundred forty-eight thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 1489 2978 4467 8934 13401 19357 26802 38714 58071 116142 174213 348426