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1480686881 = 5472706923
BaseRepresentation
bin101100001000001…
…0111110100100001
310211012011200112212
41120100113310201
511013023440011
6402532131505
751456426242
oct13020276441
93735150485
101480686881
1169a899a73
12353a66b95
131a79bc6ab
14100916cc9
1589ed208b
hex58417d21

1480686881 has 4 divisors (see below), whose sum is σ = 1483394352. Its totient is φ = 1477979412.

The previous prime is 1480686829. The next prime is 1480686923. The reversal of 1480686881 is 1886860841.

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 1480686881 - 230 = 406945057 is a prime.

It is a super-2 number, since 2×14806868812 = 4384867279131016322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1480680881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352915 + ... + 1354008.

It is an arithmetic number, because the mean of its divisors is an integer number (370848588).

Almost surely, 21480686881 is an apocalyptic number.

It is an amenable number.

1480686881 is a deficient number, since it is larger than the sum of its proper divisors (2707471).

1480686881 is an equidigital number, since it uses as much as digits as its factorization.

1480686881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707470.

The product of its (nonzero) digits is 589824, while the sum is 50.

The square root of 1480686881 is about 38479.6943984746. The cubic root of 1480686881 is about 1139.7801158451.

The spelling of 1480686881 in words is "one billion, four hundred eighty million, six hundred eighty-six thousand, eight hundred eighty-one".

Divisors: 1 547 2706923 1480686881