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3221903057 = 37791102259
BaseRepresentation
bin1100000000001010…
…0101011011010001
322022112120122002212
43000002211123101
523044301344212
61251412321505
7142561503242
oct30002453321
98275518085
103221903057
1114037534aa
1275b013295
133c466a219
14227c8acc9
1513ccc7e22
hexc00a56d1

3221903057 has 8 divisors (see below), whose sum is σ = 3350870400. Its totient is φ = 3095140464.

The previous prime is 3221903051. The next prime is 3221903077. The reversal of 3221903057 is 7503091223.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3221903057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221903051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548207 + ... + 554052.

It is an arithmetic number, because the mean of its divisors is an integer number (418858800).

Almost surely, 23221903057 is an apocalyptic number.

3221903057 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3221903057 is a deficient number, since it is larger than the sum of its proper divisors (128967343).

3221903057 is a wasteful number, since it uses less digits than its factorization.

3221903057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102375.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 3221903057 is about 56761.8098460576. The cubic root of 3221903057 is about 1476.9671055187.

The spelling of 3221903057 in words is "three billion, two hundred twenty-one million, nine hundred three thousand, fifty-seven".

Divisors: 1 37 79 2923 1102259 40783583 87078461 3221903057