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348228513 = 32109354973
BaseRepresentation
bin10100110000011…
…000101110100001
3220021020211201100
4110300120232201
51203121303023
654315425013
711425615323
oct2460305641
9807224640
10348228513
11169625266
1298755169
13571b5a99
1434369613
1520888c43
hex14c18ba1

348228513 has 12 divisors (see below), whose sum is σ = 507612820. Its totient is φ = 230021856.

The previous prime is 348228511. The next prime is 348228541. The reversal of 348228513 is 315822843.

It can be written as a sum of positive squares in 2 ways, for example, as 278622864 + 69605649 = 16692^2 + 8343^2 .

It is not a de Polignac number, because 348228513 - 21 = 348228511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348228511) 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, 176506 + ... + 178467.

Almost surely, 2348228513 is an apocalyptic number.

It is an amenable number.

348228513 is a deficient number, since it is larger than the sum of its proper divisors (159384307).

348228513 is a wasteful number, since it uses less digits than its factorization.

348228513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355088 (or 355085 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 348228513 is about 18660.8818923437. The cubic root of 348228513 is about 703.5388903507.

The spelling of 348228513 in words is "three hundred forty-eight million, two hundred twenty-eight thousand, five hundred thirteen".

Divisors: 1 3 9 109 327 981 354973 1064919 3194757 38692057 116076171 348228513