Search a number
-
+
550345541 = 23131182657
BaseRepresentation
bin100000110011011…
…001101101000101
31102100120110011012
4200303121231011
52111342024131
6130335452005
716431600644
oct4063315505
91370513135
10550345541
11262723829
12134387005
138a031865
145313d35b
15334b052b
hex20cd9b45

550345541 has 8 divisors (see below), whose sum is σ = 578660544. Its totient is φ = 522396160.

The previous prime is 550345529. The next prime is 550345559. The reversal of 550345541 is 145543055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-550345541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 550345498 and 550345507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550345591) 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, 88316 + ... + 94341.

It is an arithmetic number, because the mean of its divisors is an integer number (72332568).

Almost surely, 2550345541 is an apocalyptic number.

It is an amenable number.

550345541 is a deficient number, since it is larger than the sum of its proper divisors (28315003).

550345541 is a wasteful number, since it uses less digits than its factorization.

550345541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182811.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 550345541 is about 23459.4446012688. Note that the first 3 decimals coincide. The cubic root of 550345541 is about 819.4928159482.

Adding to 550345541 its reverse (145543055), we get a palindrome (695888596).

The spelling of 550345541 in words is "five hundred fifty million, three hundred forty-five thousand, five hundred forty-one".

Divisors: 1 23 131 3013 182657 4201111 23928067 550345541