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348112861 = 429781013
BaseRepresentation
bin10100101111111…
…100011111011101
3220021000222001221
4110233330133131
51203104102421
654313133341
711424624205
oct2457743735
9807028057
10348112861
11169556388
12986ba251
1357175255
1434339405
1520864841
hex14bfc7dd

348112861 has 4 divisors (see below), whose sum is σ = 348198172. Its totient is φ = 348027552.

The previous prime is 348112847. The next prime is 348112867. The reversal of 348112861 is 168211843.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79316836 + 268796025 = 8906^2 + 16395^2 .

It is a cyclic number.

It is not a de Polignac number, because 348112861 - 211 = 348110813 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 (348112867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36210 + ... + 44803.

It is an arithmetic number, because the mean of its divisors is an integer number (87049543).

Almost surely, 2348112861 is an apocalyptic number.

It is an amenable number.

348112861 is a deficient number, since it is larger than the sum of its proper divisors (85311).

348112861 is an equidigital number, since it uses as much as digits as its factorization.

348112861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85310.

The product of its digits is 9216, while the sum is 34.

The square root of 348112861 is about 18657.7828532760. The cubic root of 348112861 is about 703.4609963951.

The spelling of 348112861 in words is "three hundred forty-eight million, one hundred twelve thousand, eight hundred sixty-one".

Divisors: 1 4297 81013 348112861