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189150033 = 383975149
BaseRepresentation
bin10110100011000…
…11001101010001
3111011220211001210
423101203031101
5341410300113
630434050333
74454514552
oct1321431521
9434824053
10189150033
1197852246
12534199a9
13302588c7
141b19a329
15119146c3
hexb463351

189150033 has 8 divisors (see below), whose sum is σ = 252504000. Its totient is φ = 125948048.

The previous prime is 189150023. The next prime is 189150037. The reversal of 189150033 is 330051981.

It is a happy number.

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 189150033 - 25 = 189150001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189150037) 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, 35058 + ... + 40091.

It is an arithmetic number, because the mean of its divisors is an integer number (31563000).

Almost surely, 2189150033 is an apocalyptic number.

It is an amenable number.

189150033 is a deficient number, since it is larger than the sum of its proper divisors (63353967).

189150033 is an equidigital number, since it uses as much as digits as its factorization.

189150033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75991.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 189150033 is about 13753.1826498451. The cubic root of 189150033 is about 574.0311680033.

The spelling of 189150033 in words is "one hundred eighty-nine million, one hundred fifty thousand, thirty-three".

Divisors: 1 3 839 2517 75149 225447 63050011 189150033