Search a number
-
+
1163983 = 37163193
BaseRepresentation
bin100011100001011001111
32012010200111
410130023033
5244221413
640540451
712615352
oct4341317
92163614
101163983
11725577
12481727
13319a62
14224299
1517ed3d
hex11c2cf

1163983 has 8 divisors (see below), whose sum is σ = 1209008. Its totient is φ = 1119744.

The previous prime is 1163977. The next prime is 1163989. The reversal of 1163983 is 3893611.

It is an interprime number because it is at equal distance from previous prime (1163977) and next prime (1163989).

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

It is a 9-Lehmer number, since φ(1163983) divides (1163983-1)9.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1163983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163989) 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 7 ways as a sum of consecutive naturals, for example, 5935 + ... + 6127.

It is an arithmetic number, because the mean of its divisors is an integer number (151126).

21163983 is an apocalyptic number.

1163983 is a deficient number, since it is larger than the sum of its proper divisors (45025).

1163983 is a wasteful number, since it uses less digits than its factorization.

1163983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its digits is 3888, while the sum is 31.

The square root of 1163983 is about 1078.8804382322. The cubic root of 1163983 is about 105.1918789241.

The spelling of 1163983 in words is "one million, one hundred sixty-three thousand, nine hundred eighty-three".

Divisors: 1 37 163 193 6031 7141 31459 1163983