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16028157 = 35342719
BaseRepresentation
bin111101001001…
…000111111101
31010011022111110
4331021013331
513100400112
61331312233
7253144215
oct75110775
933138443
1016028157
119058212
12544b679
133422622
1421b3245
15161913c
hexf491fd

16028157 has 4 divisors (see below), whose sum is σ = 21370880. Its totient is φ = 10685436.

The previous prime is 16028143. The next prime is 16028189. The reversal of 16028157 is 75182061.

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 not a de Polignac number, because 16028157 - 27 = 16028029 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 (16028357) 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, 2671357 + ... + 2671362.

It is an arithmetic number, because the mean of its divisors is an integer number (5342720).

Almost surely, 216028157 is an apocalyptic number.

It is an amenable number.

16028157 is a deficient number, since it is larger than the sum of its proper divisors (5342723).

16028157 is an equidigital number, since it uses as much as digits as its factorization.

16028157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342722.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 16028157 is about 4003.5180778910. The cubic root of 16028157 is about 252.1319383423.

The spelling of 16028157 in words is "sixteen million, twenty-eight thousand, one hundred fifty-seven".

Divisors: 1 3 5342719 16028157