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551373325 = 52171297349
BaseRepresentation
bin100000110111010…
…100101000001101
31102102111200000021
4200313110220031
52112122421300
6130413502141
716443411256
oct4067245015
91372450007
10551373325
11263265a38
121347a1951
138a301609
1453329b2d
1533614d1a
hex20dd4a0d

551373325 has 12 divisors (see below), whose sum is σ = 723921300. Its totient is φ = 415151360.

The previous prime is 551373323. The next prime is 551373341. The reversal of 551373325 is 523373155.

It can be written as a sum of positive squares in 6 ways, for example, as 39980329 + 511392996 = 6323^2 + 22614^2 .

It is not a de Polignac number, because 551373325 - 21 = 551373323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551373323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 648250 + ... + 649099.

It is an arithmetic number, because the mean of its divisors is an integer number (60326775).

Almost surely, 2551373325 is an apocalyptic number.

It is an amenable number.

551373325 is a deficient number, since it is larger than the sum of its proper divisors (172547975).

551373325 is a wasteful number, since it uses less digits than its factorization.

551373325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297376 (or 1297371 counting only the distinct ones).

The product of its digits is 47250, while the sum is 34.

The square root of 551373325 is about 23481.3399319545. The cubic root of 551373325 is about 820.0026397892.

The spelling of 551373325 in words is "five hundred fifty-one million, three hundred seventy-three thousand, three hundred twenty-five".

Divisors: 1 5 17 25 85 425 1297349 6486745 22054933 32433725 110274665 551373325