Search a number
-
+
1241983 = 29113379
BaseRepresentation
bin100101111001101111111
32100002200101
410233031333
5304220413
642341531
713361641
oct4571577
92302611
101241983
11779136
124ba8a7
13346402
14244891
15197edd
hex12f37f

1241983 has 8 divisors (see below), whose sum is σ = 1299600. Its totient is φ = 1185408.

The previous prime is 1241971. The next prime is 1241987. The reversal of 1241983 is 3891421.

It is a happy number.

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

It is a 7-Lehmer number, since φ(1241983) divides (1241983-1)7.

It is a cyclic number.

It is not a de Polignac number, because 1241983 - 25 = 1241951 is a prime.

It is a Duffinian number.

1241983 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241987) 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, 3088 + ... + 3466.

It is an arithmetic number, because the mean of its divisors is an integer number (162450).

21241983 is an apocalyptic number.

1241983 is a deficient number, since it is larger than the sum of its proper divisors (57617).

1241983 is a wasteful number, since it uses less digits than its factorization.

1241983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521.

The product of its digits is 1728, while the sum is 28.

The square root of 1241983 is about 1114.4429101574. The cubic root of 1241983 is about 107.4909456950.

The spelling of 1241983 in words is "one million, two hundred forty-one thousand, nine hundred eighty-three".

Divisors: 1 29 113 379 3277 10991 42827 1241983