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551143079 = 3125037103
BaseRepresentation
bin100000110110011…
…100011010100111
31102102001222011122
4200312130122213
52112043034304
6130404524155
716441432064
oct4066343247
91372058148
10551143079
11263118a53
121346b065b
138a250886
14532a9c6b
15335bb9be
hex20d9c6a7

551143079 has 8 divisors (see below), whose sum is σ = 569229312. Its totient is φ = 533076120.

The previous prime is 551143067. The next prime is 551143097. The reversal of 551143079 is 970341155.

551143079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 551143079 - 212 = 551138983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551142079) 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, 74042 + ... + 81144.

It is an arithmetic number, because the mean of its divisors is an integer number (71153664).

Almost surely, 2551143079 is an apocalyptic number.

551143079 is a deficient number, since it is larger than the sum of its proper divisors (18086233).

551143079 is a wasteful number, since it uses less digits than its factorization.

551143079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9637.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 551143079 is about 23476.4366759523. The cubic root of 551143079 is about 819.8884832485. Note that the first 3 decimals are identical.

The spelling of 551143079 in words is "five hundred fifty-one million, one hundred forty-three thousand, seventy-nine".

Divisors: 1 31 2503 7103 77593 220193 17778809 551143079