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47990182 = 276131531
BaseRepresentation
bin1011011100010…
…0010110100110
310100022011011011
42313010112212
544241141212
64432332434
71121624032
oct267042646
9110264134
1047990182
11250a8809
12140a411a
139c33676
1465331c2
15432e4a7
hex2dc45a6

47990182 has 8 divisors (see below), whose sum is σ = 72082152. Its totient is φ = 23962800.

The previous prime is 47990179. The next prime is 47990183. The reversal of 47990182 is 28109974.

47990182 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47990183) 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, 14244 + ... + 17287.

It is an arithmetic number, because the mean of its divisors is an integer number (9010269).

Almost surely, 247990182 is an apocalyptic number.

47990182 is a deficient number, since it is larger than the sum of its proper divisors (24091970).

47990182 is a wasteful number, since it uses less digits than its factorization.

47990182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32294.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 47990182 is about 6927.4946409218. The cubic root of 47990182 is about 363.3993384185.

The spelling of 47990182 in words is "forty-seven million, nine hundred ninety thousand, one hundred eighty-two".

Divisors: 1 2 761 1522 31531 63062 23995091 47990182