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550899251 = 7439117923
BaseRepresentation
bin100000110101100…
…000111000110011
31102101121120200222
4200311200320303
52112012234001
6130355403255
716436365160
oct4065407063
91371546628
10550899251
11262a71841
121345b352b
138a1968b6
1453245067
153356e61b
hex20d60e33

550899251 has 8 divisors (see below), whose sum is σ = 629777664. Its totient is φ = 472065480.

The previous prime is 550899241. The next prime is 550899277. The reversal of 550899251 is 152998055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-550899251 is a prime.

It is a super-2 number, since 2×5508992512 = 606979969504722002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550899211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21776 + ... + 39698.

It is an arithmetic number, because the mean of its divisors is an integer number (78722208).

Almost surely, 2550899251 is an apocalyptic number.

550899251 is a deficient number, since it is larger than the sum of its proper divisors (78878413).

550899251 is a wasteful number, since it uses less digits than its factorization.

550899251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22321.

The product of its (nonzero) digits is 162000, while the sum is 44.

The square root of 550899251 is about 23471.2430646525. The cubic root of 550899251 is about 819.7675580511.

The spelling of 550899251 in words is "five hundred fifty million, eight hundred ninety-nine thousand, two hundred fifty-one".

Divisors: 1 7 4391 17923 30737 125461 78699893 550899251