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2054571087 = 3684857029
BaseRepresentation
bin111101001110110…
…0100010001001111
312022012001000200110
41322131210101033
513201432233322
6535512331103
7101625365112
oct17235442117
95265030613
102054571087
1196482a738
124940a3a93
1326987324a
14156c22579
15c0591c0c
hex7a76444f

2054571087 has 4 divisors (see below), whose sum is σ = 2739428120. Its totient is φ = 1369714056.

The previous prime is 2054571059. The next prime is 2054571139. The reversal of 2054571087 is 7801754502.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2054571087 - 220 = 2053522511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054571007) 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 3 ways as a sum of consecutive naturals, for example, 342428512 + ... + 342428517.

It is an arithmetic number, because the mean of its divisors is an integer number (684857030).

Almost surely, 22054571087 is an apocalyptic number.

2054571087 is a deficient number, since it is larger than the sum of its proper divisors (684857033).

2054571087 is an equidigital number, since it uses as much as digits as its factorization.

2054571087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684857032.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 2054571087 is about 45327.3767937215. The cubic root of 2054571087 is about 1271.2775882183.

The spelling of 2054571087 in words is "two billion, fifty-four million, five hundred seventy-one thousand, eighty-seven".

Divisors: 1 3 684857029 2054571087