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166553050 = 25219199881
BaseRepresentation
bin10011110110101…
…10010111011010
3102121101202211111
421323112113122
5320114144200
624305450534
74061451256
oct1173262732
9377352744
10166553050
1186018854
1247940a4a
1328676401
1418197266
15e94e0ba
hex9ed65da

166553050 has 48 divisors (see below), whose sum is σ = 328104000. Its totient is φ = 62726400.

The previous prime is 166553039. The next prime is 166553071. The reversal of 166553050 is 50355661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188610 + ... + 189490.

It is an arithmetic number, because the mean of its divisors is an integer number (6835500).

Almost surely, 2166553050 is an apocalyptic number.

166553050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166553050 is a deficient number, since it is larger than the sum of its proper divisors (161550950).

166553050 is a wasteful number, since it uses less digits than its factorization.

166553050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111 (or 1106 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 166553050 is about 12905.5433825934. The cubic root of 166553050 is about 550.1961284000.

The spelling of 166553050 in words is "one hundred sixty-six million, five hundred fifty-three thousand, fifty".

Divisors: 1 2 5 10 19 25 38 50 95 190 199 398 475 881 950 995 1762 1990 3781 4405 4975 7562 8810 9950 16739 18905 22025 33478 37810 44050 83695 94525 167390 175319 189050 350638 418475 836950 876595 1753190 3331061 4382975 6662122 8765950 16655305 33310610 83276525 166553050