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16080479 = 19846341
BaseRepresentation
bin111101010101…
…111001011111
31010020222021022
4331111321133
513104033404
61332354355
7253452602
oct75257137
933228238
1016080479
119093558
1254759bb
13344039c
1421c8339
1516298be
hexf55e5f

16080479 has 4 divisors (see below), whose sum is σ = 16926840. Its totient is φ = 15234120.

The previous prime is 16080461. The next prime is 16080499. The reversal of 16080479 is 97408061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97408061 = 731334357.

It is a cyclic number.

It is not a de Polignac number, because 16080479 - 28 = 16080223 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 (16080499) 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, 423152 + ... + 423189.

It is an arithmetic number, because the mean of its divisors is an integer number (4231710).

Almost surely, 216080479 is an apocalyptic number.

16080479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16080479 is a deficient number, since it is larger than the sum of its proper divisors (846361).

16080479 is an equidigital number, since it uses as much as digits as its factorization.

16080479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846360.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 16080479 is about 4010.0472565794. The cubic root of 16080479 is about 252.4059918643.

The spelling of 16080479 in words is "sixteen million, eighty thousand, four hundred seventy-nine".

Divisors: 1 19 846341 16080479