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2287385525 = 52523117491
BaseRepresentation
bin1000100001010110…
…1011101110110101
312220102010020001102
42020111223232311
514141032314100
61014550335445
7110453312315
oct21025535665
95812106042
102287385525
11a74195667
1253a05a585
132a5b79579
14179b07445
15d5c2dcd5
hex8856bbb5

2287385525 has 12 divisors (see below), whose sum is σ = 2837062464. Its totient is φ = 1829454000.

The previous prime is 2287385491. The next prime is 2287385537. The reversal of 2287385525 is 5255837822.

It is not a de Polignac number, because 2287385525 - 210 = 2287384501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2287385525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122030 + ... + 139520.

It is an arithmetic number, because the mean of its divisors is an integer number (236421872).

Almost surely, 22287385525 is an apocalyptic number.

2287385525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2287385525 is a deficient number, since it is larger than the sum of its proper divisors (549676939).

2287385525 is a wasteful number, since it uses less digits than its factorization.

2287385525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22732 (or 22727 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 47.

The square root of 2287385525 is about 47826.6194184787. The cubic root of 2287385525 is about 1317.5884813960.

The spelling of 2287385525 in words is "two billion, two hundred eighty-seven million, three hundred eighty-five thousand, five hundred twenty-five".

Divisors: 1 5 25 5231 17491 26155 87455 130775 437275 91495421 457477105 2287385525