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4540704161 = 7648672023
BaseRepresentation
bin1000011101010010…
…11010010110100001
3102201110010200010012
410032221122112201
533244410013121
62030323014305
7220344230360
oct41651322641
912643120105
104540704161
111a20122274
12a6880a395
135749589c6
143110a37d7
151b897dc5b
hex10ea5a5a1

4540704161 has 4 divisors (see below), whose sum is σ = 5189376192. Its totient is φ = 3892032132.

The previous prime is 4540704149. The next prime is 4540704247. The reversal of 4540704161 is 1614070454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1614070454 = 2807035227.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4540704161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4540704061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324336005 + ... + 324336018.

It is an arithmetic number, because the mean of its divisors is an integer number (1297344048).

Almost surely, 24540704161 is an apocalyptic number.

It is an amenable number.

4540704161 is a deficient number, since it is larger than the sum of its proper divisors (648672031).

4540704161 is an equidigital number, since it uses as much as digits as its factorization.

4540704161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648672030.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 4540704161 is about 67384.7472429778. The cubic root of 4540704161 is about 1655.9265490197.

The spelling of 4540704161 in words is "four billion, five hundred forty million, seven hundred four thousand, one hundred sixty-one".

Divisors: 1 7 648672023 4540704161