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348207290 = 2534820729
BaseRepresentation
bin10100110000010…
…011100010111010
3220021012202121022
4110300103202322
51203120113130
654315142442
711425466414
oct2460234272
9807182538
10348207290
11169610322
1298744a22
13571a9222
14343619b4
15208827e5
hex14c138ba

348207290 has 8 divisors (see below), whose sum is σ = 626773140. Its totient is φ = 139282912.

The previous prime is 348207287. The next prime is 348207323. The reversal of 348207290 is 92702843.

It can be written as a sum of positive squares in 2 ways, for example, as 303142921 + 45064369 = 17411^2 + 6713^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 348207290.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17410355 + ... + 17410374.

Almost surely, 2348207290 is an apocalyptic number.

348207290 is a deficient number, since it is larger than the sum of its proper divisors (278565850).

348207290 is a wasteful number, since it uses less digits than its factorization.

348207290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34820736.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 348207290 is about 18660.3132342413. The cubic root of 348207290 is about 703.5245975241.

The spelling of 348207290 in words is "three hundred forty-eight million, two hundred seven thousand, two hundred ninety".

Divisors: 1 2 5 10 34820729 69641458 174103645 348207290