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1075728055 = 52331301747
BaseRepresentation
bin100000000011110…
…0100111010110111
32202222011122110211
41000013210322313
54200341244210
6254424330251
735441352253
oct10007447267
92688148424
101075728055
11502247456
12260313987
13141b32c9c
14a2c21263
156468e38a
hex401e4eb7

1075728055 has 16 divisors (see below), whose sum is σ = 1390454784. Its totient is φ = 796609440.

The previous prime is 1075728011. The next prime is 1075728079. The reversal of 1075728055 is 5508275701.

It is a de Polignac number, because none of the positive numbers 2k-1075728055 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1075727999 and 1075728017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147309 + ... + 154438.

It is an arithmetic number, because the mean of its divisors is an integer number (86903424).

Almost surely, 21075728055 is an apocalyptic number.

1075728055 is a deficient number, since it is larger than the sum of its proper divisors (314726729).

1075728055 is a wasteful number, since it uses less digits than its factorization.

1075728055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301806.

The product of its (nonzero) digits is 98000, while the sum is 40.

The square root of 1075728055 is about 32798.2934769479. The cubic root of 1075728055 is about 1024.6310169006.

The spelling of 1075728055 in words is "one billion, seventy-five million, seven hundred twenty-eight thousand, fifty-five".

Divisors: 1 5 23 31 115 155 713 3565 301747 1508735 6940181 9354157 34700905 46770785 215145611 1075728055