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165505006 = 2120168903
BaseRepresentation
bin10011101110101…
…10011111101110
3102112102112012001
421313112133232
5314332130011
624231202514
74046524612
oct1167263756
9375375161
10165505006
11854723a7
124751643a
132839a374
1417da3342
15e7e37c1
hex9dd67ee

165505006 has 8 divisors (see below), whose sum is σ = 248467824. Its totient is φ = 82682400.

The previous prime is 165504967. The next prime is 165505009. The reversal of 165505006 is 600505561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1655050062 = 54783814022120072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165505009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32050 + ... + 36853.

It is an arithmetic number, because the mean of its divisors is an integer number (31058478).

Almost surely, 2165505006 is an apocalyptic number.

165505006 is a deficient number, since it is larger than the sum of its proper divisors (82962818).

165505006 is a wasteful number, since it uses less digits than its factorization.

165505006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70106.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 165505006 is about 12864.8748925126. The cubic root of 165505006 is about 549.0396530539.

The spelling of 165505006 in words is "one hundred sixty-five million, five hundred five thousand, six".

Divisors: 1 2 1201 2402 68903 137806 82752503 165505006