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2125000425 = 352174735461
BaseRepresentation
bin111111010101000…
…1110111011101001
312111002120012120110
41332222032323221
513323000003200
6550510044533
7103442130342
oct17652167351
95432505513
102125000425
119a05642a9
124b37a9749
1327b332302
141623170c9
15c6854b50
hex7ea8eee9

2125000425 has 48 divisors (see below), whose sum is σ = 3799256832. Its totient is φ = 1043942400.

The previous prime is 2125000421. The next prime is 2125000441. The reversal of 2125000425 is 5240005212.

It is a happy number.

It is not a de Polignac number, because 2125000425 - 22 = 2125000421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2125000421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42195 + ... + 77655.

It is an arithmetic number, because the mean of its divisors is an integer number (79151184).

Almost surely, 22125000425 is an apocalyptic number.

2125000425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2125000425 is a deficient number, since it is larger than the sum of its proper divisors (1674256407).

2125000425 is a wasteful number, since it uses less digits than its factorization.

2125000425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35538 (or 35533 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2125000425 is about 46097.7268962364. The cubic root of 2125000425 is about 1285.6408810385.

Adding to 2125000425 its reverse (5240005212), we get a palindrome (7365005637).

The spelling of 2125000425 in words is "two billion, one hundred twenty-five million, four hundred twenty-five", and thus it is an aban number.

Divisors: 1 3 5 15 17 25 47 51 75 85 141 235 255 425 705 799 1175 1275 2397 3525 3995 11985 19975 35461 59925 106383 177305 531915 602837 886525 1666667 1808511 2659575 3014185 5000001 8333335 9042555 15070925 25000005 28333339 41666675 45212775 85000017 125000025 141666695 425000085 708333475 2125000425