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551422051 = 1424938699
BaseRepresentation
bin100000110111100…
…000100001100011
31102102121010211221
4200313200201203
52112131001201
6130414515511
716444003315
oct4067404143
91372533757
10551422051
11263299604
12134805b97
138a31a84b
145333d7b5
15336244a1
hex20de0863

551422051 has 4 divisors (see below), whose sum is σ = 551475000. Its totient is φ = 551369104.

The previous prime is 551422049. The next prime is 551422057. The reversal of 551422051 is 150224155.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 551422051 - 21 = 551422049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551422057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5101 + ... + 33598.

It is an arithmetic number, because the mean of its divisors is an integer number (137868750).

Almost surely, 2551422051 is an apocalyptic number.

551422051 is a deficient number, since it is larger than the sum of its proper divisors (52949).

551422051 is a wasteful number, since it uses less digits than its factorization.

551422051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52948.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 551422051 is about 23482.3774562969. The cubic root of 551422051 is about 820.0267941869.

The spelling of 551422051 in words is "five hundred fifty-one million, four hundred twenty-two thousand, fifty-one".

Divisors: 1 14249 38699 551422051