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166430950 = 2527267931
BaseRepresentation
bin10011110101110…
…00100011100110
3102121011120100021
421322320203212
5320101242300
624303105354
74060432300
oct1172704346
9377146307
10166430950
1185a45044
12478a225a
132863296a
1418164970
15e927d1a
hex9eb88e6

166430950 has 36 divisors (see below), whose sum is σ = 360107532. Its totient is φ = 57061200.

The previous prime is 166430947. The next prime is 166430963. The reversal of 166430950 is 59034661.

It is a super-2 number, since 2×1664309502 = 55398522235805000, 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 17 ways as a sum of consecutive naturals, for example, 31516 + ... + 36415.

It is an arithmetic number, because the mean of its divisors is an integer number (10002987).

Almost surely, 2166430950 is an apocalyptic number.

166430950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166430950 is an abundant number, since it is smaller than the sum of its proper divisors (193676582).

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

166430950 is a wasteful number, since it uses less digits than its factorization.

166430950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67957 (or 67945 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 166430950 is about 12900.8119899485. The cubic root of 166430950 is about 550.0616459828.

The spelling of 166430950 in words is "one hundred sixty-six million, four hundred thirty thousand, nine hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 98 175 245 350 490 1225 2450 67931 135862 339655 475517 679310 951034 1698275 2377585 3328619 3396550 4755170 6657238 11887925 16643095 23775850 33286190 83215475 166430950