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550429387 = 4113425107
BaseRepresentation
bin100000110011101…
…110001011001011
31102100201201011121
4200303232023023
52111402220022
6130341340111
716432400254
oct4063561313
91370651147
10550429387
11262780822
12134407637
138a060a81
1453161b2b
15334ca2c7
hex20cee2cb

550429387 has 4 divisors (see below), whose sum is σ = 563854536. Its totient is φ = 537004240.

The previous prime is 550429351. The next prime is 550429391. The reversal of 550429387 is 783924055.

550429387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550429387 - 215 = 550396619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550429687) 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, 6712513 + ... + 6712594.

It is an arithmetic number, because the mean of its divisors is an integer number (140963634).

Almost surely, 2550429387 is an apocalyptic number.

550429387 is a deficient number, since it is larger than the sum of its proper divisors (13425149).

550429387 is a wasteful number, since it uses less digits than its factorization.

550429387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13425148.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 550429387 is about 23461.2315746638. The cubic root of 550429387 is about 819.5344308370.

The spelling of 550429387 in words is "five hundred fifty million, four hundred twenty-nine thousand, three hundred eighty-seven".

Divisors: 1 41 13425107 550429387