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551122451 = 11241111091
BaseRepresentation
bin100000110110010…
…111011000010011
31102102000220212122
4200312113120103
52112041404301
6130404244455
716441314665
oct4066273023
91372026778
10551122451
11263104500
121346a072b
138a244379
14532a2535
15335b581b
hex20d97613

551122451 has 12 divisors (see below), whose sum is σ = 620559912. Its totient is φ = 488796000.

The previous prime is 551122399. The next prime is 551122463. The reversal of 551122451 is 154221155.

It is not a de Polignac number, because 551122451 - 26 = 551122387 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 551122451.

It is not an unprimeable number, because it can be changed into a prime (551122051) 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, 50585 + ... + 60506.

It is an arithmetic number, because the mean of its divisors is an integer number (51713326).

Almost surely, 2551122451 is an apocalyptic number.

551122451 is a deficient number, since it is larger than the sum of its proper divisors (69437461).

551122451 is a wasteful number, since it uses less digits than its factorization.

551122451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111154 (or 111143 counting only the distinct ones).

The product of its digits is 2000, while the sum is 26.

The square root of 551122451 is about 23475.9973377064. The cubic root of 551122451 is about 819.8782542830.

The spelling of 551122451 in words is "five hundred fifty-one million, one hundred twenty-two thousand, four hundred fifty-one".

Divisors: 1 11 41 121 451 4961 111091 1222001 4554731 13442011 50102041 551122451