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3226161805 = 52789231349
BaseRepresentation
bin1100000001001011…
…0101001010001101
322022211121000000021
43000102311022031
523101344134210
61252043502141
7142642631356
oct30022651215
98284530007
103226161805
1114060a2129
12760527951
133c54cb7a9
14228678d2d
1513d369bda
hexc04b528d

3226161805 has 8 divisors (see below), whose sum is σ = 3872799000. Its totient is φ = 2579992896.

The previous prime is 3226161803. The next prime is 3226161821. The reversal of 3226161805 is 5081616223.

It can be written as a sum of positive squares in 4 ways, for example, as 641659561 + 2584502244 = 25331^2 + 50838^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3226161805 - 21 = 3226161803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3226161803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101730 + ... + 129619.

It is an arithmetic number, because the mean of its divisors is an integer number (484099875).

Almost surely, 23226161805 is an apocalyptic number.

It is an amenable number.

3226161805 is a deficient number, since it is larger than the sum of its proper divisors (646637195).

3226161805 is a wasteful number, since it uses less digits than its factorization.

3226161805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234143.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 3226161805 is about 56799.3116595615. The cubic root of 3226161805 is about 1477.6175762930.

The spelling of 3226161805 in words is "three billion, two hundred twenty-six million, one hundred sixty-one thousand, eight hundred five".

Divisors: 1 5 2789 13945 231349 1156745 645232361 3226161805