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48719380 = 2253765837
BaseRepresentation
bin1011100111011…
…0011000010100
310101200012102111
42321312120110
544433010010
64500120404
71131052003
oct271663024
9111605374
1048719380
1125556656
1214396104
13a12a548
146682c3a
15442558a
hex2e76614

48719380 has 24 divisors (see below), whose sum is σ = 105077448. Its totient is φ = 18960768.

The previous prime is 48719329. The next prime is 48719393. The reversal of 48719380 is 8391784.

48719380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5317636 + 43401744 = 2306^2 + 6588^2 .

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 32179 + ... + 33658.

It is an arithmetic number, because the mean of its divisors is an integer number (4378227).

Almost surely, 248719380 is an apocalyptic number.

It is an amenable number.

48719380 is an abundant number, since it is smaller than the sum of its proper divisors (56358068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48719380 is a wasteful number, since it uses less digits than its factorization.

48719380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65883 (or 65881 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 48719380 is about 6979.9269337150. The cubic root of 48719380 is about 365.2306792259.

The spelling of 48719380 in words is "forty-eight million, seven hundred nineteen thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 65837 131674 263348 329185 658370 1316740 2435969 4871938 9743876 12179845 24359690 48719380