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551342351 = 7172272537
BaseRepresentation
bin100000110111001…
…101000100001111
31102102110002112002
4200313031010033
52112120423401
6130413102515
716443222050
oct4067150417
91372402462
10551342351
1126324473a
12134787a3b
138a2c04a1
145331c727
153360aa6b
hex20dcd10f

551342351 has 12 divisors (see below), whose sum is σ = 669353328. Its totient is φ = 444778752.

The previous prime is 551342261. The next prime is 551342353. The reversal of 551342351 is 153243155.

It is a de Polignac number, because none of the positive numbers 2k-551342351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551342353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134246 + ... + 138291.

It is an arithmetic number, because the mean of its divisors is an integer number (55779444).

Almost surely, 2551342351 is an apocalyptic number.

551342351 is a deficient number, since it is larger than the sum of its proper divisors (118010977).

551342351 is a wasteful number, since it uses less digits than its factorization.

551342351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272578 (or 272561 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 551342351 is about 23480.6803777063. The cubic root of 551342351 is about 819.9872846531.

The spelling of 551342351 in words is "five hundred fifty-one million, three hundred forty-two thousand, three hundred fifty-one".

Divisors: 1 7 17 119 289 2023 272537 1907759 4633129 32431903 78763193 551342351