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40166030 = 256536151
BaseRepresentation
bin1001100100111…
…0001010001110
32210120122102202
42121032022032
540240303110
63552521502
7665256062
oct231161216
983518382
1040166030
1120744373
1211550292
1384242a8
145497aa2
1537d60a5
hex264e28e

40166030 has 16 divisors (see below), whose sum is σ = 72421344. Its totient is φ = 16039200.

The previous prime is 40166011. The next prime is 40166033. The reversal of 40166030 is 3066104.

It is a super-2 number, since 2×401660302 = 3226619931921800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40165993 and 40166011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40166033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3455 + ... + 9605.

It is an arithmetic number, because the mean of its divisors is an integer number (4526334).

Almost surely, 240166030 is an apocalyptic number.

40166030 is a deficient number, since it is larger than the sum of its proper divisors (32255314).

40166030 is a wasteful number, since it uses less digits than its factorization.

40166030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 40166030 is about 6337.6675520257. The cubic root of 40166030 is about 342.4677150025.

The spelling of 40166030 in words is "forty million, one hundred sixty-six thousand, thirty".

Divisors: 1 2 5 10 653 1306 3265 6151 6530 12302 30755 61510 4016603 8033206 20083015 40166030