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48385845 = 3251075241
BaseRepresentation
bin1011100010010…
…0111100110101
310101001020220100
42320210330311
544341321340
64445024313
71125162414
oct270447465
9111036810
1048385845
1125349002
1214255099
13a0417a1
1465d747b
1543ab830
hex2e24f35

48385845 has 12 divisors (see below), whose sum is σ = 83868876. Its totient is φ = 25805760.

The previous prime is 48385819. The next prime is 48385847. The reversal of 48385845 is 54858384.

It can be written as a sum of positive squares in 2 ways, for example, as 20412324 + 27973521 = 4518^2 + 5289^2 .

It is not a de Polignac number, because 48385845 - 210 = 48384821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1075241 = 48385845 / (4 + 8 + 3 + 8 + 5 + 8 + 4 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 48385845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48385847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537576 + ... + 537665.

It is an arithmetic number, because the mean of its divisors is an integer number (6989073).

Almost surely, 248385845 is an apocalyptic number.

48385845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

48385845 is a deficient number, since it is larger than the sum of its proper divisors (35483031).

48385845 is a wasteful number, since it uses less digits than its factorization.

48385845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075252 (or 1075249 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 48385845 is about 6955.9934588813. The cubic root of 48385845 is about 364.3953082681.

The spelling of 48385845 in words is "forty-eight million, three hundred eighty-five thousand, eight hundred forty-five".

Divisors: 1 3 5 9 15 45 1075241 3225723 5376205 9677169 16128615 48385845