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2542250105 = 5701725321
BaseRepresentation
bin1001011110000111…
…1010100001111001
320120011200200112022
42113201322201321
520201304000410
61100133124225
7116666524613
oct22741724171
96504620468
102542250105
11109504114a
125ab489675
13316903205
141a18cbdb3
15ed2c4455
hex9787a879

2542250105 has 8 divisors (see below), whose sum is σ = 3055056264. Its totient is φ = 2030896000.

The previous prime is 2542250083. The next prime is 2542250107. The reversal of 2542250105 is 5010522452.

It can be written as a sum of positive squares in 4 ways, for example, as 826965049 + 1715285056 = 28757^2 + 41416^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2542250105 - 26 = 2542250041 is a prime.

It is a super-2 number, since 2×25422501052 = 12926071192745022050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542250107) 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 7 ways as a sum of consecutive naturals, for example, 359156 + ... + 366165.

It is an arithmetic number, because the mean of its divisors is an integer number (381882033).

Almost surely, 22542250105 is an apocalyptic number.

It is an amenable number.

2542250105 is a deficient number, since it is larger than the sum of its proper divisors (512806159).

2542250105 is an equidigital number, since it uses as much as digits as its factorization.

2542250105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726027.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2542250105 is about 50420.7309050553. The cubic root of 2542250105 is about 1364.8117663215.

Adding to 2542250105 its reverse (5010522452), we get a palindrome (7552772557).

The spelling of 2542250105 in words is "two billion, five hundred forty-two million, two hundred fifty thousand, one hundred five".

Divisors: 1 5 701 3505 725321 3626605 508450021 2542250105