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348349437 = 3312901831
BaseRepresentation
bin10100110000110…
…110001111111101
3220021110222121000
4110300312033331
51203134140222
654322200513
711426631012
oct2460661775
9807428530
10348349437
111696a80a7
12987b3139
1357228b37
143439b709
15208ae9ac
hex14c363fd

348349437 has 8 divisors (see below), whose sum is σ = 516073280. Its totient is φ = 232232940.

The previous prime is 348349373. The next prime is 348349451. The reversal of 348349437 is 734943843.

It is not a de Polignac number, because 348349437 - 26 = 348349373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 348349392 and 348349401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348349637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6450889 + ... + 6450942.

It is an arithmetic number, because the mean of its divisors is an integer number (64509160).

Almost surely, 2348349437 is an apocalyptic number.

It is an amenable number.

348349437 is a deficient number, since it is larger than the sum of its proper divisors (167723843).

348349437 is a wasteful number, since it uses less digits than its factorization.

348349437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12901840 (or 12901834 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 348349437 is about 18664.1216509109. The cubic root of 348349437 is about 703.6203166632.

The spelling of 348349437 in words is "three hundred forty-eight million, three hundred forty-nine thousand, four hundred thirty-seven".

Divisors: 1 3 9 27 12901831 38705493 116116479 348349437