Search a number
-
+
561127541 = 13223193559
BaseRepresentation
bin100001011100100…
…010000001110101
31110002212020021112
4201130202001311
52122122040131
6131402524405
716622335232
oct4134420165
91402766245
10561127541
11268818477
12137b06705
138c338340
1454748789
15343e002b
hex21722075

561127541 has 8 divisors (see below), whose sum is σ = 607004160. Its totient is φ = 515638512.

The previous prime is 561127537. The next prime is 561127549. The reversal of 561127541 is 145721165.

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 561127541 - 22 = 561127537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 561127498 and 561127507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561127549) 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, 93881 + ... + 99678.

It is an arithmetic number, because the mean of its divisors is an integer number (75875520).

Almost surely, 2561127541 is an apocalyptic number.

It is an amenable number.

561127541 is a deficient number, since it is larger than the sum of its proper divisors (45876619).

561127541 is a wasteful number, since it uses less digits than its factorization.

561127541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193795.

The product of its digits is 8400, while the sum is 32.

The square root of 561127541 is about 23688.1308042657. The cubic root of 561127541 is about 824.8098936317.

The spelling of 561127541 in words is "five hundred sixty-one million, one hundred twenty-seven thousand, five hundred forty-one".

Divisors: 1 13 223 2899 193559 2516267 43163657 561127541