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1103984641 = 17101642973
BaseRepresentation
bin100000111001101…
…0111100000000001
32211221100020020001
41001303113200001
54230110002031
6301314120001
736233500054
oct10163274001
92757306201
101103984641
11517197001
12269880001
13147947566
14a6898a9b
1566dc1861
hex41cd7801

1103984641 has 8 divisors (see below), whose sum is σ = 1180500264. Its totient is φ = 1028755200.

The previous prime is 1103984603. The next prime is 1103984663. The reversal of 1103984641 is 1464893011.

It can be written as a sum of positive squares in 4 ways, for example, as 529184016 + 574800625 = 23004^2 + 23975^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1103984641 - 27 = 1103984513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1103984641.

It is not an unprimeable number, because it can be changed into a prime (1103982641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319770 + ... + 323203.

It is an arithmetic number, because the mean of its divisors is an integer number (147562533).

Almost surely, 21103984641 is an apocalyptic number.

It is an amenable number.

1103984641 is a deficient number, since it is larger than the sum of its proper divisors (76515623).

1103984641 is a wasteful number, since it uses less digits than its factorization.

1103984641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643091.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1103984641 is about 33226.2643250787. The cubic root of 1103984641 is about 1033.5250575806.

The spelling of 1103984641 in words is "one billion, one hundred three million, nine hundred eighty-four thousand, six hundred forty-one".

Divisors: 1 17 101 1717 642973 10930541 64940273 1103984641