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72848044 = 2218212011
BaseRepresentation
bin1000101011110…
…01001010101100
312002002001201201
410111321022230
5122122114134
611121215244
71543124653
oct425711254
9162061651
1072848044
11381368a5
1220491524
1312127c69
14996419a
1565de914
hex45792ac

72848044 has 6 divisors (see below), whose sum is σ = 127484084. Its totient is φ = 36424020.

The previous prime is 72848011. The next prime is 72848053. The reversal of 72848044 is 44084827.

It is a junction number, because it is equal to n+sod(n) for n = 72847994 and 72848012.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9106002 + ... + 9106009.

Almost surely, 272848044 is an apocalyptic number.

It is an amenable number.

72848044 is a deficient number, since it is larger than the sum of its proper divisors (54636040).

72848044 is a wasteful number, since it uses less digits than its factorization.

72848044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18212015 (or 18212013 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 72848044 is about 8535.1065605533. The cubic root of 72848044 is about 417.6437293035.

The spelling of 72848044 in words is "seventy-two million, eight hundred forty-eight thousand, forty-four".

Divisors: 1 2 4 18212011 36424022 72848044