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2255782825 = 5290231313
BaseRepresentation
bin1000011001110100…
…1000001110101001
312211012122122022001
42012131020032221
514104440022300
61011501131001
7106620560212
oct20635101651
95735578261
102255782825
11a5837002a
1252b559a61
1329c462c4a
1417583c409
15d308a16a
hex867483a9

2255782825 has 6 divisors (see below), whose sum is σ = 2797170734. Its totient is φ = 1804626240.

The previous prime is 2255782817. The next prime is 2255782829. The reversal of 2255782825 is 5282875522.

It can be written as a sum of positive squares in 3 ways, for example, as 641912896 + 1613869929 = 25336^2 + 40173^2 .

It is not a de Polignac number, because 2255782825 - 23 = 2255782817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2255782829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45115632 + ... + 45115681.

Almost surely, 22255782825 is an apocalyptic number.

2255782825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2255782825 is a deficient number, since it is larger than the sum of its proper divisors (541387909).

2255782825 is an equidigital number, since it uses as much as digits as its factorization.

2255782825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90231323 (or 90231318 counting only the distinct ones).

The product of its digits is 896000, while the sum is 46.

The square root of 2255782825 is about 47495.0821138357. The cubic root of 2255782825 is about 1311.4923507044.

The spelling of 2255782825 in words is "two billion, two hundred fifty-five million, seven hundred eighty-two thousand, eight hundred twenty-five".

Divisors: 1 5 25 90231313 451156565 2255782825