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189035026 = 294517513
BaseRepresentation
bin10110100010001…
…11001000010010
3111011200222022021
423101013020102
5341343110101
630431402054
74453525345
oct1321071022
9434628267
10189035026
11977838a4
125338332a
133021845b
141b16a45c
15118e05a1
hexb447212

189035026 has 4 divisors (see below), whose sum is σ = 283552542. Its totient is φ = 94517512.

The previous prime is 189035023. The next prime is 189035027. The reversal of 189035026 is 620530981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 620530981 = 788647283.

It can be written as a sum of positive squares in only one way, i.e., 189035001 + 25 = 13749^2 + 5^2 .

It is a junction number, because it is equal to n+sod(n) for n = 189034982 and 189035000.

It is not an unprimeable number, because it can be changed into a prime (189035023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47258755 + ... + 47258758.

Almost surely, 2189035026 is an apocalyptic number.

189035026 is a deficient number, since it is larger than the sum of its proper divisors (94517516).

189035026 is an equidigital number, since it uses as much as digits as its factorization.

189035026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94517515.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 189035026 is about 13749.0009091570. Note that the first 3 decimals coincide. The cubic root of 189035026 is about 573.9148036090.

The spelling of 189035026 in words is "one hundred eighty-nine million, thirty-five thousand, twenty-six".

Divisors: 1 2 94517513 189035026