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3220466461 = 4768520563
BaseRepresentation
bin1011111111110100…
…0110101100011101
322022102212122110121
42333331012230131
523043414411321
61251321434541
7142543341022
oct27775065435
98272778417
103220466461
111402962133
1275a63ba51
133c4286374
142279d5549
1513cae2441
hexbff46b1d

3220466461 has 4 divisors (see below), whose sum is σ = 3288987072. Its totient is φ = 3151945852.

The previous prime is 3220466453. The next prime is 3220466489. The reversal of 3220466461 is 1646640223.

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: 1646640223 = 1918621153.

It is a cyclic number.

It is not a de Polignac number, because 3220466461 - 23 = 3220466453 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 (3220466761) 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, 34260235 + ... + 34260328.

It is an arithmetic number, because the mean of its divisors is an integer number (822246768).

Almost surely, 23220466461 is an apocalyptic number.

It is an amenable number.

3220466461 is a deficient number, since it is larger than the sum of its proper divisors (68520611).

3220466461 is an equidigital number, since it uses as much as digits as its factorization.

3220466461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68520610.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 3220466461 is about 56749.1538351014. The cubic root of 3220466461 is about 1476.7475540677.

The spelling of 3220466461 in words is "three billion, two hundred twenty million, four hundred sixty-six thousand, four hundred sixty-one".

Divisors: 1 47 68520563 3220466461