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348140447 = 2931387253
BaseRepresentation
bin10100110000000…
…011001110011111
3220021002100220122
4110300003032133
51203110443242
654313505155
711425100504
oct2460031637
9807070818
10348140447
11169575086
12987121bb
1357184985
14343454ab
152086cad2
hex14c0339f

348140447 has 8 divisors (see below), whose sum is σ = 371763840. Its totient is φ = 325291680.

The previous prime is 348140423. The next prime is 348140459. The reversal of 348140447 is 744041843.

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

It is not a de Polignac number, because 348140447 - 26 = 348140383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348140417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192728 + ... + 194525.

It is an arithmetic number, because the mean of its divisors is an integer number (46470480).

Almost surely, 2348140447 is an apocalyptic number.

348140447 is a deficient number, since it is larger than the sum of its proper divisors (23623393).

348140447 is a wasteful number, since it uses less digits than its factorization.

348140447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387313.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 348140447 is about 18658.5221011740. The cubic root of 348140447 is about 703.4795776893.

The spelling of 348140447 in words is "three hundred forty-eight million, one hundred forty thousand, four hundred forty-seven".

Divisors: 1 29 31 899 387253 11230337 12004843 348140447