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3480847081 = 5476363523
BaseRepresentation
bin1100111101111001…
…1000001011101001
322222120211100112021
43033132120023221
524112044101311
61333222344441
7152154466135
oct31736301351
98876740467
103480847081
111526935a28
1281188b121
134361c193a
142504143c5
151558c7171
hexcf7982e9

3480847081 has 4 divisors (see below), whose sum is σ = 3487211152. Its totient is φ = 3474483012.

The previous prime is 3480847057. The next prime is 3480847147. The reversal of 3480847081 is 1807480843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1807480843 = 7258211549.

It is a cyclic number.

It is not a de Polignac number, because 3480847081 - 27 = 3480846953 is a prime.

It is a super-2 number, since 2×34808470812 = 24232592802612441122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3480847001) 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, 3181215 + ... + 3182308.

It is an arithmetic number, because the mean of its divisors is an integer number (871802788).

Almost surely, 23480847081 is an apocalyptic number.

It is an amenable number.

3480847081 is a deficient number, since it is larger than the sum of its proper divisors (6364071).

3480847081 is an equidigital number, since it uses as much as digits as its factorization.

3480847081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364070.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 3480847081 is about 58998.7040620385. The cubic root of 3480847081 is about 1515.5199166800.

The spelling of 3480847081 in words is "three billion, four hundred eighty million, eight hundred forty-seven thousand, eighty-one".

Divisors: 1 547 6363523 3480847081