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1423412525 = 52281202621
BaseRepresentation
bin101010011010111…
…1000110100101101
310200012101211220102
41110311320310231
510403343200100
6353124400445
750162543513
oct12465706455
93605354812
101423412525
1167052a997
12338846125
13198b88242
14d70884b3
1584e6bcd5
hex54d78d2d

1423412525 has 12 divisors (see below), whose sum is σ = 1771321524. Its totient is φ = 1134672000.

The previous prime is 1423412519. The next prime is 1423412527. The reversal of 1423412525 is 5252143241.

It can be written as a sum of positive squares in 6 ways, for example, as 137616361 + 1285796164 = 11731^2 + 35858^2 .

It is not a de Polignac number, because 1423412525 - 24 = 1423412509 is a prime.

It is a super-2 number, since 2×14234125252 = 4052206432653751250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423412527) by changing a digit.

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, 94286 + ... + 108335.

It is an arithmetic number, because the mean of its divisors is an integer number (147610127).

Almost surely, 21423412525 is an apocalyptic number.

It is an amenable number.

1423412525 is a deficient number, since it is larger than the sum of its proper divisors (347908999).

1423412525 is a wasteful number, since it uses less digits than its factorization.

1423412525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202912 (or 202907 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 1423412525 is about 37728.1396970484. The cubic root of 1423412525 is about 1124.8905309121.

Adding to 1423412525 its reverse (5252143241), we get a palindrome (6675555766).

The spelling of 1423412525 in words is "one billion, four hundred twenty-three million, four hundred twelve thousand, five hundred twenty-five".

Divisors: 1 5 25 281 1405 7025 202621 1013105 5065525 56936501 284682505 1423412525