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2091602225 = 521747104711
BaseRepresentation
bin111110010101011…
…0101000100110001
312101202201101212002
41330222311010301
513240422232400
6543314143345
7102555216446
oct17452650461
95352641762
102091602225
11983722789
124a4581b55
1327443a66b
1415bb019cd
15c3958ed5
hex7cab5131

2091602225 has 24 divisors (see below), whose sum is σ = 2804606208. Its totient is φ = 1541331200.

The previous prime is 2091602203. The next prime is 2091602231. The reversal of 2091602225 is 5222061902.

It is not a de Polignac number, because 2091602225 - 28 = 2091601969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32381 + ... + 72330.

It is an arithmetic number, because the mean of its divisors is an integer number (116858592).

Almost surely, 22091602225 is an apocalyptic number.

2091602225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2091602225 is a deficient number, since it is larger than the sum of its proper divisors (713003983).

2091602225 is a wasteful number, since it uses less digits than its factorization.

2091602225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104785 (or 104780 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2091602225 is about 45734.0379258163. The cubic root of 2091602225 is about 1278.8698979210.

The spelling of 2091602225 in words is "two billion, ninety-one million, six hundred two thousand, two hundred twenty-five".

Divisors: 1 5 17 25 47 85 235 425 799 1175 3995 19975 104711 523555 1780087 2617775 4921417 8900435 24607085 44502175 83664089 123035425 418320445 2091602225