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1105537985 = 5375975881
BaseRepresentation
bin100000111100101…
…0010101111000001
32212001021011000022
41001321102233001
54231004203420
6301411303225
736252626546
oct10171225701
92761234008
101105537985
11518058062
1226a2aab15
1314806c5b6
14a6b80bcd
15670cbc25
hex41e52bc1

1105537985 has 8 divisors (see below), whose sum is σ = 1362501096. Its totient is φ = 860526720.

The previous prime is 1105537969. The next prime is 1105537991. The reversal of 1105537985 is 5897355011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 627853249 + 477684736 = 25057^2 + 21856^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1105537985 - 24 = 1105537969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2987756 + ... + 2988125.

It is an arithmetic number, because the mean of its divisors is an integer number (170312637).

Almost surely, 21105537985 is an apocalyptic number.

It is an amenable number.

1105537985 is a deficient number, since it is larger than the sum of its proper divisors (256963111).

1105537985 is an equidigital number, since it uses as much as digits as its factorization.

1105537985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5975923.

The product of its (nonzero) digits is 189000, while the sum is 44.

The square root of 1105537985 is about 33249.6313513398. The cubic root of 1105537985 is about 1034.0095654006.

The spelling of 1105537985 in words is "one billion, one hundred five million, five hundred thirty-seven thousand, nine hundred eighty-five".

Divisors: 1 5 37 185 5975881 29879405 221107597 1105537985