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2545580045 = 53877131317
BaseRepresentation
bin1001011110111010…
…0111100000001101
320120101221212100102
42113232213200031
520203132030140
61100332340445
7120040034111
oct22756474015
96511855312
102545580045
111096a05a68
125b0614725
133174caaa8
141a2117741
15ed730e15
hex97ba780d

2545580045 has 8 divisors (see below), whose sum is σ = 3055507224. Its totient is φ = 2035923264.

The previous prime is 2545580027. The next prime is 2545580053. The reversal of 2545580045 is 5400855452.

It can be written as a sum of positive squares in 4 ways, for example, as 5621641 + 2539958404 = 2371^2 + 50398^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2545580045 - 214 = 2545563661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2545579990 and 2545580008.

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 7 ways as a sum of consecutive naturals, for example, 46274 + ... + 85043.

It is an arithmetic number, because the mean of its divisors is an integer number (381938403).

Almost surely, 22545580045 is an apocalyptic number.

It is an amenable number.

2545580045 is a deficient number, since it is larger than the sum of its proper divisors (509927179).

2545580045 is a wasteful number, since it uses less digits than its factorization.

2545580045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135199.

The product of its (nonzero) digits is 160000, while the sum is 38.

The square root of 2545580045 is about 50453.7416352841. The cubic root of 2545580045 is about 1365.4074011927.

The spelling of 2545580045 in words is "two billion, five hundred forty-five million, five hundred eighty thousand, forty-five".

Divisors: 1 5 3877 19385 131317 656585 509116009 2545580045