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214385550 = 23521975223
BaseRepresentation
bin11001100011101…
…00001110001110
3112221101220200120
430301310032032
5414340314200
633135005410
75212150521
oct1461641616
9487356616
10214385550
11100019045
125b969866
1335553072
1420688bb8
1513c4b9a0
hexcc7438e

214385550 has 48 divisors (see below), whose sum is σ = 559666560. Its totient is φ = 54159840.

The previous prime is 214385533. The next prime is 214385581. The reversal of 214385550 is 55583412.

214385550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2143855502 = 91922328097605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34762 + ... + 40461.

It is an arithmetic number, because the mean of its divisors is an integer number (11659720).

Almost surely, 2214385550 is an apocalyptic number.

214385550 is an abundant number, since it is smaller than the sum of its proper divisors (345281010).

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

214385550 is a wasteful number, since it uses less digits than its factorization.

214385550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75257 (or 75252 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 214385550 is about 14641.9107359661. The cubic root of 214385550 is about 598.5013989969.

The spelling of 214385550 in words is "two hundred fourteen million, three hundred eighty-five thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 15 19 25 30 38 50 57 75 95 114 150 190 285 475 570 950 1425 2850 75223 150446 225669 376115 451338 752230 1128345 1429237 1880575 2256690 2858474 3761150 4287711 5641725 7146185 8575422 11283450 14292370 21438555 35730925 42877110 71461850 107192775 214385550