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348053905 = 569610781
BaseRepresentation
bin10100101111101…
…110000110010001
3220020220222012101
4110233232012101
51203100211110
654312000401
711424260263
oct2457560621
9806828171
10348053905
11169516061
1298690101
1357154474
1434321b33
152085213a
hex14bee191

348053905 has 4 divisors (see below), whose sum is σ = 417664692. Its totient is φ = 278443120.

The previous prime is 348053897. The next prime is 348053929. The reversal of 348053905 is 509350843.

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 123743376 + 224310529 = 11124^2 + 14977^2 .

It is not a de Polignac number, because 348053905 - 23 = 348053897 is a prime.

It is a super-2 number, since 2×3480539052 = 242283041571498050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34805386 + ... + 34805395.

It is an arithmetic number, because the mean of its divisors is an integer number (104416173).

Almost surely, 2348053905 is an apocalyptic number.

It is an amenable number.

348053905 is a deficient number, since it is larger than the sum of its proper divisors (69610787).

348053905 is an equidigital number, since it uses as much as digits as its factorization.

348053905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69610786.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 348053905 is about 18656.2028558868. The cubic root of 348053905 is about 703.4212817004.

The spelling of 348053905 in words is "three hundred forty-eight million, fifty-three thousand, nine hundred five".

Divisors: 1 5 69610781 348053905