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550197745 = 54710721881
BaseRepresentation
bin100000110010110…
…101100111110001
31102100021221102021
4200302311213301
52111322311440
6130332351441
716430414026
oct4062654761
91370257367
10550197745
11262632789
12134315581
1389cac4c6
145310154d
153348184a
hex20cb59f1

550197745 has 16 divisors (see below), whose sum is σ = 680617728. Its totient is φ = 426747520.

The previous prime is 550197701. The next prime is 550197749. The reversal of 550197745 is 547791055.

550197745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550197745 - 215 = 550164977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550197749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14205 + ... + 36085.

It is an arithmetic number, because the mean of its divisors is an integer number (42538608).

Almost surely, 2550197745 is an apocalyptic number.

It is an amenable number.

550197745 is a deficient number, since it is larger than the sum of its proper divisors (130419983).

550197745 is a wasteful number, since it uses less digits than its factorization.

550197745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22040.

The product of its (nonzero) digits is 220500, while the sum is 43.

The square root of 550197745 is about 23456.2943578051. The cubic root of 550197745 is about 819.4194507652.

The spelling of 550197745 in words is "five hundred fifty million, one hundred ninety-seven thousand, seven hundred forty-five".

Divisors: 1 5 47 107 235 535 5029 21881 25145 109405 1028407 2341267 5142035 11706335 110039549 550197745