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16020379 = 21117589
BaseRepresentation
bin111101000111…
…001110011011
31010010220211101
4331013032123
513100123004
61331212231
7253112434
oct75071633
933126741
1016020379
119052391
125447077
13341bc1b
1421b048b
151616ba4
hexf4739b

16020379 has 4 divisors (see below), whose sum is σ = 16030080. Its totient is φ = 16010680.

The previous prime is 16020359. The next prime is 16020413. The reversal of 16020379 is 97302061.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 97302061 = 412373221.

It is a cyclic number.

It is not a de Polignac number, because 16020379 - 29 = 16019867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16020359) 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, 1684 + ... + 5905.

It is an arithmetic number, because the mean of its divisors is an integer number (4007520).

Almost surely, 216020379 is an apocalyptic number.

16020379 is a deficient number, since it is larger than the sum of its proper divisors (9701).

16020379 is an equidigital number, since it uses as much as digits as its factorization.

16020379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9700.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 16020379 is about 4002.5465643762. The cubic root of 16020379 is about 252.0911476362.

The spelling of 16020379 in words is "sixteen million, twenty thousand, three hundred seventy-nine".

Divisors: 1 2111 7589 16020379