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16074634 = 28037317
BaseRepresentation
bin111101010100…
…011110001010
31010020200020211
4331110132022
513103342014
61332311334
7253426552
oct75243612
933220224
1016074634
11908a124
12547254a
13343a824
1421c6162
151627cc4
hexf5478a

16074634 has 4 divisors (see below), whose sum is σ = 24111954. Its totient is φ = 8037316.

The previous prime is 16074629. The next prime is 16074637. The reversal of 16074634 is 43647061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43647061 = 166726183.

It can be written as a sum of positive squares in only one way, i.e., 16024009 + 50625 = 4003^2 + 225^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 16074596 and 16074605.

It is not an unprimeable number, because it can be changed into a prime (16074637) 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 as a sum of consecutive naturals, namely, 4018657 + ... + 4018660.

Almost surely, 216074634 is an apocalyptic number.

16074634 is a deficient number, since it is larger than the sum of its proper divisors (8037320).

16074634 is an equidigital number, since it uses as much as digits as its factorization.

16074634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8037319.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 16074634 is about 4009.3183959371. The cubic root of 16074634 is about 252.3754062951.

It can be divided in two parts, 1607 and 4634, that added together give a square (6241 = 792).

The spelling of 16074634 in words is "sixteen million, seventy-four thousand, six hundred thirty-four".

Divisors: 1 2 8037317 16074634