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1425925925 = 52401142237
BaseRepresentation
bin101010011111101…
…1110011100100101
310200101010112122022
41110333132130211
510410014112200
6353254312525
750223112304
oct12477363445
93611115568
101425925925
11671997286
12339658745
13199558268
14d754043b
15852b6885
hex54fde725

1425925925 has 12 divisors (see below), whose sum is σ = 1772569956. Its totient is φ = 1137888000.

The previous prime is 1425925909. The next prime is 1425925931. The reversal of 1425925925 is 5295295241.

It can be written as a sum of positive squares in 6 ways, for example, as 167521249 + 1258404676 = 12943^2 + 35474^2 .

It is not a de Polignac number, because 1425925925 - 24 = 1425925909 is a prime.

It is a Duffinian number.

1425925925 is a modest number, since divided by 925925 gives 1425 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61094 + ... + 81143.

It is an arithmetic number, because the mean of its divisors is an integer number (147714163).

Almost surely, 21425925925 is an apocalyptic number.

It is an amenable number.

1425925925 is a deficient number, since it is larger than the sum of its proper divisors (346644031).

1425925925 is a wasteful number, since it uses less digits than its factorization.

1425925925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142648 (or 142643 counting only the distinct ones).

The product of its digits is 324000, while the sum is 44.

The square root of 1425925925 is about 37761.4343609985. The cubic root of 1425925925 is about 1125.5522358720.

The spelling of 1425925925 in words is "one billion, four hundred twenty-five million, nine hundred twenty-five thousand, nine hundred twenty-five".

Divisors: 1 5 25 401 2005 10025 142237 711185 3555925 57037037 285185185 1425925925