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48811105 = 572281709
BaseRepresentation
bin1011101000110…
…0110001100001
310101211212020201
42322030301201
544443423410
64502105201
71131613300
oct272146141
9111755221
1048811105
1125609562
121441b201
13a160215
1466a8437
15444283a
hex2e8cc61

48811105 has 24 divisors (see below), whose sum is σ = 68475240. Its totient is φ = 33304320.

The previous prime is 48811099. The next prime is 48811109. The reversal of 48811105 is 50111884.

It can be written as a sum of positive squares in 4 ways, for example, as 2039184 + 46771921 = 1428^2 + 6839^2 .

It is not a de Polignac number, because 48811105 - 25 = 48811073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48811109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68491 + ... + 69199.

It is an arithmetic number, because the mean of its divisors is an integer number (2853135).

Almost surely, 248811105 is an apocalyptic number.

It is an amenable number.

48811105 is a deficient number, since it is larger than the sum of its proper divisors (19664135).

48811105 is a wasteful number, since it uses less digits than its factorization.

48811105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 48811105 is about 6986.4944714785. The cubic root of 48811105 is about 365.4597446874.

Adding to 48811105 its reverse (50111884), we get a palindrome (98922989).

The spelling of 48811105 in words is "forty-eight million, eight hundred eleven thousand, one hundred five".

Divisors: 1 5 7 35 49 245 281 709 1405 1967 3545 4963 9835 13769 24815 34741 68845 173705 199229 996145 1394603 6973015 9762221 48811105