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47189033 = 1071912309
BaseRepresentation
bin1011010000000…
…0110000101001
310021210110011222
42310000300221
544040022113
64403231425
71112046233
oct264006051
9107713158
1047189033
1124700901
1213978575
139a12b08
1463a5253
154221e08
hex2d00c29

47189033 has 8 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 46483120.

The previous prime is 47189011. The next prime is 47189041. The reversal of 47189033 is 33098174.

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 47189033 - 26 = 47188969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47188984 and 47189002.

It is not an unprimeable number, because it can be changed into a prime (47189063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19283 + ... + 21591.

It is an arithmetic number, because the mean of its divisors is an integer number (5987520).

Almost surely, 247189033 is an apocalyptic number.

It is an amenable number.

47189033 is a deficient number, since it is larger than the sum of its proper divisors (711127).

47189033 is a wasteful number, since it uses less digits than its factorization.

47189033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 47189033 is about 6869.4274142755. The cubic root of 47189033 is about 361.3657815441.

The spelling of 47189033 in words is "forty-seven million, one hundred eighty-nine thousand, thirty-three".

Divisors: 1 107 191 2309 20437 247063 441019 47189033