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551425043 = 1389476599
BaseRepresentation
bin100000110111100…
…001010000010011
31102102121021221202
4200313201100103
52112131100133
6130414541415
716444015121
oct4067412023
91372537852
10551425043
112632a0884
1213480786b
138a31c010
1453340911
15336252e8
hex20de1413

551425043 has 8 divisors (see below), whose sum is σ = 600516000. Its totient is φ = 503287488.

The previous prime is 551425027. The next prime is 551425057. The reversal of 551425043 is 340524155.

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 551425043 - 24 = 551425027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551424997 and 551425015.

It is not an unprimeable number, because it can be changed into a prime (551425013) 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, 237143 + ... + 239456.

It is an arithmetic number, because the mean of its divisors is an integer number (75064500).

Almost surely, 2551425043 is an apocalyptic number.

551425043 is a deficient number, since it is larger than the sum of its proper divisors (49090957).

551425043 is a wasteful number, since it uses less digits than its factorization.

551425043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476701.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 551425043 is about 23482.4411635588. The cubic root of 551425043 is about 820.0282773314.

Adding to 551425043 its reverse (340524155), we get a palindrome (891949198).

The spelling of 551425043 in words is "five hundred fifty-one million, four hundred twenty-five thousand, forty-three".

Divisors: 1 13 89 1157 476599 6195787 42417311 551425043