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551534245 = 5611808309
BaseRepresentation
bin100000110111111…
…011111010100101
31102102210211202021
4200313323322211
52112143043440
6130421143141
716444651363
oct4067737245
91372724667
10551534245
11263365929
1213485aab1
138a359932
145336c633
153364784a
hex20dfbea5

551534245 has 8 divisors (see below), whose sum is σ = 672691320. Its totient is φ = 433993920.

The previous prime is 551534239. The next prime is 551534251. The reversal of 551534245 is 542435155.

It is an interprime number because it is at equal distance from previous prime (551534239) and next prime (551534251).

It can be written as a sum of positive squares in 4 ways, for example, as 9622404 + 541911841 = 3102^2 + 23279^2 .

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

It is not a de Polignac number, because 551534245 - 29 = 551533733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551534245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903850 + ... + 904459.

It is an arithmetic number, because the mean of its divisors is an integer number (84086415).

Almost surely, 2551534245 is an apocalyptic number.

It is an amenable number.

551534245 is a deficient number, since it is larger than the sum of its proper divisors (121157075).

551534245 is a wasteful number, since it uses less digits than its factorization.

551534245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808375.

The product of its digits is 60000, while the sum is 34.

The square root of 551534245 is about 23484.7662326028. The cubic root of 551534245 is about 820.0824054603.

The spelling of 551534245 in words is "five hundred fifty-one million, five hundred thirty-four thousand, two hundred forty-five".

Divisors: 1 5 61 305 1808309 9041545 110306849 551534245