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2544429425 = 52122982813
BaseRepresentation
bin1001011110101000…
…1110100101110001
320120022210101222212
42113222032211301
520202333220200
61100251541505
7120024202406
oct22752164561
96508711885
102544429425
11109629a53a
125b015a895
133171b7155
141a1cd82ad
15ed5a5035
hex97a8e971

2544429425 has 12 divisors (see below), whose sum is σ = 3157697820. Its totient is φ = 2033862720.

The previous prime is 2544429413. The next prime is 2544429451. The reversal of 2544429425 is 5249244452.

It can be written as a sum of positive squares in 6 ways, for example, as 239661361 + 2304768064 = 15481^2 + 48008^2 .

It is not a de Polignac number, because 2544429425 - 24 = 2544429409 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon 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, 10682 + ... + 72131.

It is an arithmetic number, because the mean of its divisors is an integer number (263141485).

Almost surely, 22544429425 is an apocalyptic number.

2544429425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2544429425 is a deficient number, since it is larger than the sum of its proper divisors (613268395).

2544429425 is a wasteful number, since it uses less digits than its factorization.

2544429425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84052 (or 84047 counting only the distinct ones).

The product of its digits is 460800, while the sum is 41.

The square root of 2544429425 is about 50442.3376242616. The cubic root of 2544429425 is about 1365.2016456208.

The spelling of 2544429425 in words is "two billion, five hundred forty-four million, four hundred twenty-nine thousand, four hundred twenty-five".

Divisors: 1 5 25 1229 6145 30725 82813 414065 2070325 101777177 508885885 2544429425