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1075997115 = 3452656783
BaseRepresentation
bin100000000100010…
…0110100110111011
32202222200022120000
41000020212212323
54200423401430
6254434204043
735443552554
oct10010464673
92688608500
101075997115
11502410616
12260423623
13141bc85ab
14a2c9132b
15646e3e60
hex402269bb

1075997115 has 20 divisors (see below), whose sum is σ = 1928825184. Its totient is φ = 573864912.

The previous prime is 1075997089. The next prime is 1075997123. The reversal of 1075997115 is 5117995701.

It is a happy number.

It is not a de Polignac number, because 1075997115 - 210 = 1075996091 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1327987 + ... + 1328796.

Almost surely, 21075997115 is an apocalyptic number.

1075997115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1075997115 is a deficient number, since it is larger than the sum of its proper divisors (852828069).

1075997115 is an equidigital number, since it uses as much as digits as its factorization.

1075997115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656800 (or 2656791 counting only the distinct ones).

The product of its (nonzero) digits is 99225, while the sum is 45.

The square root of 1075997115 is about 32802.3949582953. The cubic root of 1075997115 is about 1024.7164363330.

The spelling of 1075997115 in words is "one billion, seventy-five million, nine hundred ninety-seven thousand, one hundred fifteen".

Divisors: 1 3 5 9 15 27 45 81 135 405 2656783 7970349 13283915 23911047 39851745 71733141 119555235 215199423 358665705 1075997115