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550335431 = 25712011783
BaseRepresentation
bin100000110011010…
…111001111000111
31102100112221021202
4200303113033013
52111341213211
6130335333115
716431526322
oct4063271707
91370487252
10550335431
11262717178
1213438119b
138a02a089
14531397b9
15334ac53b
hex20cd73c7

550335431 has 8 divisors (see below), whose sum is σ = 553246944. Its totient is φ = 547430400.

The previous prime is 550335419. The next prime is 550335449. The reversal of 550335431 is 134533055.

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-550335431 is a prime.

It is a super-2 number, since 2×5503354312 = 605738173227911522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550335394 and 550335403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550335451) 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, 307766 + ... + 309548.

It is an arithmetic number, because the mean of its divisors is an integer number (69155868).

Almost surely, 2550335431 is an apocalyptic number.

550335431 is a deficient number, since it is larger than the sum of its proper divisors (2911513).

550335431 is a wasteful number, since it uses less digits than its factorization.

550335431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 550335431 is about 23459.2291220321. The cubic root of 550335431 is about 819.4877978142.

Adding to 550335431 its reverse (134533055), we get a palindrome (684868486).

The spelling of 550335431 in words is "five hundred fifty million, three hundred thirty-five thousand, four hundred thirty-one".

Divisors: 1 257 1201 1783 308657 458231 2141383 550335431