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38180066 = 229658277
BaseRepresentation
bin1001000110100…
…1010011100010
32122211202012112
42101221103202
534233230231
63442155322
7642345101
oct221512342
978752175
1038180066
111a608281
1210952b42
137baa372
1450dc038
15354292b
hex24694e2

38180066 has 8 divisors (see below), whose sum is σ = 59245020. Its totient is φ = 18431728.

The previous prime is 38180033. The next prime is 38180071. The reversal of 38180066 is 66008183.

It can be written as a sum of positive squares in 2 ways, for example, as 38180041 + 25 = 6179^2 + 5^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329081 + ... + 329196.

Almost surely, 238180066 is an apocalyptic number.

38180066 is a deficient number, since it is larger than the sum of its proper divisors (21064954).

38180066 is a wasteful number, since it uses less digits than its factorization.

38180066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658308.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 38180066 is about 6179.0020229807. The cubic root of 38180066 is about 336.7277369635.

The spelling of 38180066 in words is "thirty-eight million, one hundred eighty thousand, sixty-six".

Divisors: 1 2 29 58 658277 1316554 19090033 38180066