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2225986428 = 223971191039
BaseRepresentation
bin1000010010101101…
…1101101101111100
312202010120211022210
42010223131231330
514024323031203
61004514340420
7106106400231
oct20453355574
95663524283
102225986428
11a42569606
1252158a710
1329622c843
141718c3788
15d0651803
hex84addb7c

2225986428 has 24 divisors (see below), whose sum is σ = 5199344640. Its totient is φ = 741227440.

The previous prime is 2225986423. The next prime is 2225986459. The reversal of 2225986428 is 8246895222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225986423) 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, 83868 + ... + 107171.

It is an arithmetic number, because the mean of its divisors is an integer number (216639360).

Almost surely, 22225986428 is an apocalyptic number.

It is an amenable number.

2225986428 is an abundant number, since it is smaller than the sum of its proper divisors (2973358212).

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

2225986428 is a wasteful number, since it uses less digits than its factorization.

2225986428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192017 (or 192015 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 2225986428 is about 47180.3606175281. The cubic root of 2225986428 is about 1305.6922831200.

The spelling of 2225986428 in words is "two billion, two hundred twenty-five million, nine hundred eighty-six thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 971 1942 2913 3884 5826 11652 191039 382078 573117 764156 1146234 2292468 185498869 370997738 556496607 741995476 1112993214 2225986428