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550125200 = 24521375313
BaseRepresentation
bin100000110010100…
…011111010010000
31102100011020220102
4200302203322100
52111313001300
6130331031532
716426662362
oct4062437220
91370136812
10550125200
11262593229
1213429b5a8
1389c85491
14530c2d32
153346a0d5
hex20ca3e90

550125200 has 30 divisors (see below), whose sum is σ = 1321676754. Its totient is φ = 220049920.

The previous prime is 550125197. The next prime is 550125211. The reversal of 550125200 is 2521055.

It can be written as a sum of positive squares in 3 ways, for example, as 20757136 + 529368064 = 4556^2 + 23008^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 687257 + ... + 688056.

Almost surely, 2550125200 is an apocalyptic number.

550125200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550125200 is an abundant number, since it is smaller than the sum of its proper divisors (771551554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550125200 is a wasteful number, since it uses less digits than its factorization.

550125200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375331 (or 1375320 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 550125200 is about 23454.7479201973. The cubic root of 550125200 is about 819.3834349888.

Adding to 550125200 its reverse (2521055), we get a palindrome (552646255).

The spelling of 550125200 in words is "five hundred fifty million, one hundred twenty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 1375313 2750626 5501252 6876565 11002504 13753130 22005008 27506260 34382825 55012520 68765650 110025040 137531300 275062600 550125200