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3217425220 = 225160871261
BaseRepresentation
bin1011111111000110…
…0000001101000100
322022020011010200001
42333301200031010
523042130101340
61251132331044
7142505443312
oct27761401504
98266133601
103217425220
111401175209
12759613a84
133c3760009
142274430b2
1513c6e129a
hexbfc60344

3217425220 has 12 divisors (see below), whose sum is σ = 6756593004. Its totient is φ = 1286970080.

The previous prime is 3217425199. The next prime is 3217425247. The reversal of 3217425220 is 225247123.

It can be written as a sum of positive squares in 2 ways, for example, as 1502802756 + 1714622464 = 38766^2 + 41408^2 .

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, 80435611 + ... + 80435650.

It is an arithmetic number, because the mean of its divisors is an integer number (563049417).

Almost surely, 23217425220 is an apocalyptic number.

It is an amenable number.

3217425220 is an abundant number, since it is smaller than the sum of its proper divisors (3539167784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3217425220 is a wasteful number, since it uses less digits than its factorization.

3217425220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160871270 (or 160871268 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 3217425220 is about 56722.3520316286. The cubic root of 3217425220 is about 1476.2825531391.

The spelling of 3217425220 in words is "three billion, two hundred seventeen million, four hundred twenty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 160871261 321742522 643485044 804356305 1608712610 3217425220