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1103748128 = 25728392
BaseRepresentation
bin100000111001001…
…1101110000100000
32211220220012210022
41001302131300200
54230024420003
6301305053012
736231463400
oct10162356040
92756805708
101103748128
1151704533a
12269787168
13147893a02
14a6836800
1566d76738
hex41c9dc20

1103748128 has 54 divisors (see below), whose sum is σ = 2530796751. Its totient is φ = 472471104.

The previous prime is 1103748119. The next prime is 1103748187. The reversal of 1103748128 is 8218473011.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 551874064 + 551874064 = 23492^2 + 23492^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=23492.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1315133 + ... + 1315971.

Almost surely, 21103748128 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 1103748128

1103748128 is an abundant number, since it is smaller than the sum of its proper divisors (1427048623).

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

1103748128 is an frugal number, since it uses more digits than its factorization.

1103748128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 1103748128 is about 33222.7050072687. The cubic root of 1103748128 is about 1033.4512462971.

The spelling of 1103748128 in words is "one billion, one hundred three million, seven hundred forty-eight thousand, one hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 784 839 1568 1678 3356 5873 6712 11746 13424 23492 26848 41111 46984 82222 93968 164444 187936 328888 657776 703921 1315552 1407842 2815684 4927447 5631368 9854894 11262736 19709788 22525472 34492129 39419576 68984258 78839152 137968516 157678304 275937032 551874064 1103748128