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1115032055 = 515711711213
BaseRepresentation
bin100001001110110…
…0000100111110111
32212201010111102112
41002131200213313
54240422011210
6302351001235
736426421214
oct10235404767
92781114375
101115032055
115224520a5
1227150921b
1314a014aa7
14a8132b0b
1567d54d05
hex427609f7

1115032055 has 16 divisors (see below), whose sum is σ = 1348821984. Its totient is φ = 884856960.

The previous prime is 1115032033. The next prime is 1115032063. The reversal of 1115032055 is 5502305111.

It is a happy number.

It is not a de Polignac number, because 1115032055 - 216 = 1114966519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1115032055.

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, 918629 + ... + 919841.

It is an arithmetic number, because the mean of its divisors is an integer number (84301374).

Almost surely, 21115032055 is an apocalyptic number.

1115032055 is a deficient number, since it is larger than the sum of its proper divisors (233789929).

1115032055 is a wasteful number, since it uses less digits than its factorization.

1115032055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1115032055 is about 33392.0956964369. The cubic root of 1115032055 is about 1036.9610667856.

Adding to 1115032055 its reverse (5502305111), we get a palindrome (6617337166).

The spelling of 1115032055 in words is "one billion, one hundred fifteen million, thirty-two thousand, fifty-five".

Divisors: 1 5 157 785 1171 1213 5855 6065 183847 190441 919235 952205 1420423 7102115 223006411 1115032055