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348343631 = 1031131732
BaseRepresentation
bin10100110000110…
…100110101001111
3220021110200121222
4110300310311033
51203133444011
654322113555
711426605046
oct2460646517
9807420558
10348343631
111696a37a9
12987ab8bb
13572262bc
143439955d
15208acddb
hex14c34d4f

348343631 has 12 divisors (see below), whose sum is σ = 356901168. Its totient is φ = 339932544.

The previous prime is 348343609. The next prime is 348343637. The reversal of 348343631 is 136343843.

It is not a de Polignac number, because 348343631 - 210 = 348342607 is a prime.

It is a super-2 number, since 2×3483436312 = 242686570516528322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 348343591 and 348343600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348343637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2013461 + ... + 2013633.

It is an arithmetic number, because the mean of its divisors is an integer number (29741764).

Almost surely, 2348343631 is an apocalyptic number.

348343631 is a deficient number, since it is larger than the sum of its proper divisors (8557537).

348343631 is a wasteful number, since it uses less digits than its factorization.

348343631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 389 counting only the distinct ones).

The product of its digits is 62208, while the sum is 35.

The square root of 348343631 is about 18663.9661111994. The cubic root of 348343631 is about 703.6164075212.

The spelling of 348343631 in words is "three hundred forty-eight million, three hundred forty-three thousand, six hundred thirty-one".

Divisors: 1 103 113 173 11639 17819 19549 29929 2013547 3082687 3381977 348343631