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1117355941 = 1385950457
BaseRepresentation
bin100001010011001…
…0111111110100101
32212212111120012101
41002212113332211
54242020342231
6302512452101
736455240332
oct10246277645
92785446171
101117355941
1152379a069
1227224a031
1314a649780
14a8579989
1568163661
hex42997fa5

1117355941 has 4 divisors (see below), whose sum is σ = 1203306412. Its totient is φ = 1031405472.

The previous prime is 1117355891. The next prime is 1117355959. The reversal of 1117355941 is 1495537111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156975841 + 960380100 = 12529^2 + 30990^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117355941 - 29 = 1117355429 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 1117355941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117355441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42975216 + ... + 42975241.

It is an arithmetic number, because the mean of its divisors is an integer number (300826603).

Almost surely, 21117355941 is an apocalyptic number.

It is an amenable number.

1117355941 is a deficient number, since it is larger than the sum of its proper divisors (85950471).

1117355941 is an equidigital number, since it uses as much as digits as its factorization.

1117355941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85950470.

The product of its digits is 18900, while the sum is 37.

The square root of 1117355941 is about 33426.8745323280. The cubic root of 1117355941 is about 1037.6809585359.

The spelling of 1117355941 in words is "one billion, one hundred seventeen million, three hundred fifty-five thousand, nine hundred forty-one".

Divisors: 1 13 85950457 1117355941