Search a number
-
+
47382844 = 2271166841
BaseRepresentation
bin1011010011000…
…0000100111100
310022011022001011
42310300010330
544112222334
64411325004
71113514255
oct264600474
9108138034
1047382844
1124823483
1213a50764
139a800b2
146415b2c
15425e564
hex2d3013c

47382844 has 12 divisors (see below), whose sum is σ = 84088368. Its totient is φ = 23357600.

The previous prime is 47382809. The next prime is 47382871. The reversal of 47382844 is 44828374.

It is a junction number, because it is equal to n+sod(n) for n = 47382797 and 47382806.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 83137 + ... + 83704.

It is an arithmetic number, because the mean of its divisors is an integer number (7007364).

Almost surely, 247382844 is an apocalyptic number.

It is an amenable number.

47382844 is a deficient number, since it is larger than the sum of its proper divisors (36705524).

47382844 is a wasteful number, since it uses less digits than its factorization.

47382844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166916 (or 166914 counting only the distinct ones).

The product of its digits is 172032, while the sum is 40.

The square root of 47382844 is about 6883.5197392032. The cubic root of 47382844 is about 361.8598299437.

The spelling of 47382844 in words is "forty-seven million, three hundred eighty-two thousand, eight hundred forty-four".

Divisors: 1 2 4 71 142 284 166841 333682 667364 11845711 23691422 47382844