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550990850 = 25211019817
BaseRepresentation
bin100000110101110…
…111010000000010
31102101210020100112
4200311313100002
52112023201400
6130401351322
716440226214
oct4065672002
91371706315
10550990850
11263024643
12134638542
138a1c94b7
145326a5b4
153358b835
hex20d77402

550990850 has 12 divisors (see below), whose sum is σ = 1024843074. Its totient is φ = 220396320.

The previous prime is 550990849. The next prime is 550990873. The reversal of 550990850 is 58099055.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 390892441 + 160098409 = 19771^2 + 12653^2 .

It is a junction number, because it is equal to n+sod(n) for n = 550990798 and 550990807.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5509859 + ... + 5509958.

Almost surely, 2550990850 is an apocalyptic number.

550990850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550990850 is a deficient number, since it is larger than the sum of its proper divisors (473852224).

550990850 is a wasteful number, since it uses less digits than its factorization.

550990850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11019829 (or 11019824 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 41.

The square root of 550990850 is about 23473.1942862492. The cubic root of 550990850 is about 819.8129902706.

The spelling of 550990850 in words is "five hundred fifty million, nine hundred ninety thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 11019817 22039634 55099085 110198170 275495425 550990850