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3126089 = 19164531
BaseRepresentation
bin1011111011001101001001
312212211012002
423323031021
51300013324
6151000345
735366651
oct13731511
95784162
103126089
11184574a
1210690b5
13855b75
145b5361
1541b3ae
hex2fb349

3126089 has 4 divisors (see below), whose sum is σ = 3290640. Its totient is φ = 2961540.

The previous prime is 3126083. The next prime is 3126103. The reversal of 3126089 is 9806213.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9806213 = 59166207.

It is a cyclic number.

It is not a de Polignac number, because 3126089 - 28 = 3125833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3126083) 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, 82247 + ... + 82284.

It is an arithmetic number, because the mean of its divisors is an integer number (822660).

Almost surely, 23126089 is an apocalyptic number.

It is an amenable number.

3126089 is a deficient number, since it is larger than the sum of its proper divisors (164551).

3126089 is a wasteful number, since it uses less digits than its factorization.

3126089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164550.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 3126089 is about 1768.0749418506. The cubic root of 3126089 is about 146.2178676333.

The spelling of 3126089 in words is "three million, one hundred twenty-six thousand, eighty-nine".

Divisors: 1 19 164531 3126089