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4540253140 = 225227012657
BaseRepresentation
bin1000011101001111…
…01100001111010100
3102201102021202102201
410032213230033110
533244301100030
62030305214244
7220340341423
oct41647541724
912642252381
104540253140
111a1a944425
12a68631384
1357482b627
14310dc72ba
151b88e02ca
hex10e9ec3d4

4540253140 has 12 divisors (see below), whose sum is σ = 9534531636. Its totient is φ = 1816101248.

The previous prime is 4540253111. The next prime is 4540253173. The reversal of 4540253140 is 413520454.

It can be written as a sum of positive squares in 2 ways, for example, as 2881971856 + 1658281284 = 53684^2 + 40722^2 .

It is a super-2 number, since 2×45402531402 = 41227797150559719200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4540253099 and 4540253108.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 113506309 + ... + 113506348.

It is an arithmetic number, because the mean of its divisors is an integer number (794544303).

Almost surely, 24540253140 is an apocalyptic number.

It is an amenable number.

4540253140 is an abundant number, since it is smaller than the sum of its proper divisors (4994278496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4540253140 is a wasteful number, since it uses less digits than its factorization.

4540253140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227012666 (or 227012664 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 4540253140 is about 67381.4005494098. The cubic root of 4540253140 is about 1655.8717203448.

Adding to 4540253140 its reverse (413520454), we get a palindrome (4953773594).

The spelling of 4540253140 in words is "four billion, five hundred forty million, two hundred fifty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 227012657 454025314 908050628 1135063285 2270126570 4540253140