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48719620 = 2251728429
BaseRepresentation
bin1011100111011…
…0011100000100
310101200012202101
42321312130010
544433011440
64500121444
71131052465
oct271663404
9111605671
1048719620
1125556854
1214396284
13a12a6a1
146682d6c
15442569a
hex2e76704

48719620 has 36 divisors (see below), whose sum is σ = 108696420. Its totient is φ = 18339328.

The previous prime is 48719609. The next prime is 48719647. The reversal of 48719620 is 2691784.

48719620 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 6 ways, for example, as 82944 + 48636676 = 288^2 + 6974^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 48719620.

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 11 ways as a sum of consecutive naturals, for example, 1566 + ... + 9994.

It is an arithmetic number, because the mean of its divisors is an integer number (3019345).

Almost surely, 248719620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48719620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54348210).

48719620 is an abundant number, since it is smaller than the sum of its proper divisors (59976800).

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

48719620 is a wasteful number, since it uses less digits than its factorization.

48719620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8472 (or 8453 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 48719620 is about 6979.9441258509. The cubic root of 48719620 is about 365.2312789545.

The spelling of 48719620 in words is "forty-eight million, seven hundred nineteen thousand, six hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 289 340 578 1156 1445 2890 5780 8429 16858 33716 42145 84290 143293 168580 286586 573172 716465 1432930 2435981 2865860 4871962 9743924 12179905 24359810 48719620