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189330001 = 7269100547
BaseRepresentation
bin10110100100011…
…11001001010001
3111012020221221021
423102033021101
5341432030001
630441555441
74456164340
oct1322171121
9435227837
10189330001
1197965483
12534a5b81
13302bc7b3
141b205b57
151194cba1
hexb48f251

189330001 has 8 divisors (see below), whose sum is σ = 217183680. Its totient is φ = 161677968.

The previous prime is 189329981. The next prime is 189330013. The reversal of 189330001 is 100033981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189330001 - 211 = 189327953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189330601) 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 7 ways as a sum of consecutive naturals, for example, 48391 + ... + 52156.

It is an arithmetic number, because the mean of its divisors is an integer number (27147960).

Almost surely, 2189330001 is an apocalyptic number.

It is an amenable number.

189330001 is a deficient number, since it is larger than the sum of its proper divisors (27853679).

189330001 is a wasteful number, since it uses less digits than its factorization.

189330001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100823.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 189330001 is about 13759.7238707759. The cubic root of 189330001 is about 574.2131654945.

Adding to 189330001 its reverse (100033981), we get a palindrome (289363982).

The spelling of 189330001 in words is "one hundred eighty-nine million, three hundred thirty thousand, one".

Divisors: 1 7 269 1883 100547 703829 27047143 189330001