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1075990843 = 171912372693
BaseRepresentation
bin100000000100010…
…0101000100111011
32202222122222221201
41000020211010323
54200423201333
6254434115031
735443525354
oct10010450473
92688588851
101075990843
11502406934
1226041ba77
13141bc5795
14a2c8cd2b
15646e217d
hex4022513b

1075990843 has 16 divisors (see below), whose sum is σ = 1200661920. Its totient is φ = 958265856.

The previous prime is 1075990841. The next prime is 1075990907. The reversal of 1075990843 is 3480995701.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1075990843 - 21 = 1075990841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1075990793 and 1075990802.

It is not an unprimeable number, because it can be changed into a prime (1075990841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398205 + ... + 400897.

It is an arithmetic number, because the mean of its divisors is an integer number (75041370).

Almost surely, 21075990843 is an apocalyptic number.

1075990843 is a deficient number, since it is larger than the sum of its proper divisors (124671077).

1075990843 is a wasteful number, since it uses less digits than its factorization.

1075990843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 1075990843 is about 32802.2993553806. The cubic root of 1075990843 is about 1024.7144453010.

The spelling of 1075990843 in words is "one billion, seventy-five million, nine hundred ninety thousand, eight hundred forty-three".

Divisors: 1 17 19 323 1237 2693 21029 23503 45781 51167 399551 869839 3331241 56631097 63293579 1075990843