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551270343 = 31314135137
BaseRepresentation
bin100000110110111…
…011011111000111
31102102022102202010
4200312323133013
52112111122333
6130411345303
716442502111
oct4066733707
91372272663
10551270343
112631a5628
12134752233
138a296790
14533003b1
15335e4563
hex20dbb7c7

551270343 has 8 divisors (see below), whose sum is σ = 791567728. Its totient is φ = 339243264.

The previous prime is 551270273. The next prime is 551270393. The reversal of 551270343 is 343072155.

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

It is not a de Polignac number, because 551270343 - 216 = 551204807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551270343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551270393) 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, 7067530 + ... + 7067607.

It is an arithmetic number, because the mean of its divisors is an integer number (98945966).

Almost surely, 2551270343 is an apocalyptic number.

551270343 is a deficient number, since it is larger than the sum of its proper divisors (240297385).

551270343 is a wasteful number, since it uses less digits than its factorization.

551270343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14135153.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 551270343 is about 23479.1469819497. The cubic root of 551270343 is about 819.9515849860.

It can be divided in two parts, 5512 and 70343, that added together give a triangular number (75855 = T389).

The spelling of 551270343 in words is "five hundred fifty-one million, two hundred seventy thousand, three hundred forty-three".

Divisors: 1 3 13 39 14135137 42405411 183756781 551270343