Search a number
-
+
811401753 = 3521519131
BaseRepresentation
bin110000010111010…
…000001000011001
32002112210110221210
4300113100020121
53130204324003
6212303053333
726051541531
oct6027201031
92075713853
10811401753
11387019168
121a78a1249
13cc1457a6
1479a964c1
154b37a503
hex305d0219

811401753 has 8 divisors (see below), whose sum is σ = 1083947616. Its totient is φ = 539895200.

The previous prime is 811401743. The next prime is 811401803. The reversal of 811401753 is 357104118.

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 811401753 - 214 = 811385369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 811401753.

It is not an unprimeable number, because it can be changed into a prime (811401713) 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, 258003 + ... + 261128.

It is an arithmetic number, because the mean of its divisors is an integer number (135493452).

Almost surely, 2811401753 is an apocalyptic number.

It is an amenable number.

811401753 is a deficient number, since it is larger than the sum of its proper divisors (272545863).

811401753 is a wasteful number, since it uses less digits than its factorization.

811401753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519655.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 811401753 is about 28485.1145863941. The cubic root of 811401753 is about 932.7071668941.

The spelling of 811401753 in words is "eight hundred eleven million, four hundred one thousand, seven hundred fifty-three".

Divisors: 1 3 521 1563 519131 1557393 270467251 811401753