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551127245 = 5110225449
BaseRepresentation
bin100000110110011…
…000100011001101
31102102001011110012
4200312120203031
52112042032440
6130404323005
716441334654
oct4066304315
91372034405
10551127245
11263108069
121346a3465
138a2465c6
14532a419b
15335b6e65
hex20d988cd

551127245 has 4 divisors (see below), whose sum is σ = 661352700. Its totient is φ = 440901792.

The previous prime is 551127211. The next prime is 551127257. The reversal of 551127245 is 542721155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 289884676 + 261242569 = 17026^2 + 16163^2 .

It is a cyclic number.

It is not a de Polignac number, because 551127245 - 210 = 551126221 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 55112720 + ... + 55112729.

It is an arithmetic number, because the mean of its divisors is an integer number (165338175).

Almost surely, 2551127245 is an apocalyptic number.

It is an amenable number.

551127245 is a deficient number, since it is larger than the sum of its proper divisors (110225455).

551127245 is a wasteful number, since it uses less digits than its factorization.

551127245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110225454.

The product of its digits is 14000, while the sum is 32.

The square root of 551127245 is about 23476.0994417727. The cubic root of 551127245 is about 819.8806315435.

The spelling of 551127245 in words is "five hundred fifty-one million, one hundred twenty-seven thousand, two hundred forty-five".

Divisors: 1 5 110225449 551127245