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3225425220 = 2232517919029
BaseRepresentation
bin1100000001000000…
…0001010101000100
322022210012120121100
43000100001111010
523101202101340
61252020020100
7142633443033
oct30020012504
98283176540
103225425220
111405739786
12760231630
133c5301444
1422852671a
1513d271830
hexc0401544

3225425220 has 36 divisors (see below), whose sum is σ = 9783790380. Its totient is φ = 860113344.

The previous prime is 3225425209. The next prime is 3225425239. The reversal of 3225425220 is 225245223.

It can be written as a sum of positive squares in 2 ways, for example, as 1522872576 + 1702552644 = 39024^2 + 41262^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8959335 + ... + 8959694.

It is an arithmetic number, because the mean of its divisors is an integer number (271771955).

Almost surely, 23225425220 is an apocalyptic number.

3225425220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3225425220 is an abundant number, since it is smaller than the sum of its proper divisors (6558365160).

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

3225425220 is a wasteful number, since it uses less digits than its factorization.

3225425220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17919044 (or 17919039 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 3225425220 is about 56792.8271879469. The cubic root of 3225425220 is about 1477.5051130575.

The spelling of 3225425220 in words is "three billion, two hundred twenty-five million, four hundred twenty-five thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 17919029 35838058 53757087 71676116 89595145 107514174 161271261 179190290 215028348 268785435 322542522 358380580 537570870 645085044 806356305 1075141740 1612712610 3225425220