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2754661457 = 3188860047
BaseRepresentation
bin1010010000110000…
…1100110001010001
321002222101022010102
42210030030301101
521120143131312
61133201542145
7125156143652
oct24414146121
97088338112
102754661457
111193a30a19
1264a644955
1334b9147c2
141c1bc1529
15111c80ec2
hexa430cc51

2754661457 has 4 divisors (see below), whose sum is σ = 2843521536. Its totient is φ = 2665801380.

The previous prime is 2754661421. The next prime is 2754661463. The reversal of 2754661457 is 7541664572.

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.

It is a cyclic number.

It is not a de Polignac number, because 2754661457 - 214 = 2754645073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2754661157) 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, 44429993 + ... + 44430054.

It is an arithmetic number, because the mean of its divisors is an integer number (710880384).

Almost surely, 22754661457 is an apocalyptic number.

It is an amenable number.

2754661457 is a deficient number, since it is larger than the sum of its proper divisors (88860079).

2754661457 is an equidigital number, since it uses as much as digits as its factorization.

2754661457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88860078.

The product of its digits is 1411200, while the sum is 47.

The square root of 2754661457 is about 52484.8688385519. The cubic root of 2754661457 is about 1401.8108297320.

The spelling of 2754661457 in words is "two billion, seven hundred fifty-four million, six hundred sixty-one thousand, four hundred fifty-seven".

Divisors: 1 31 88860047 2754661457