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40165130 = 2523174631
BaseRepresentation
bin1001100100110…
…1111100001010
32210120121012102
42121031330022
540240241010
63552513402
7665253335
oct231157412
983517172
1040165130
1120743725
121154b862
138423a65
14549761c
1537d5ba5
hex264df0a

40165130 has 16 divisors (see below), whose sum is σ = 75441024. Its totient is φ = 15367440.

The previous prime is 40165129. The next prime is 40165133. The reversal of 40165130 is 3156104.

40165130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×401651302 = 3226475335833800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40165133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87086 + ... + 87545.

It is an arithmetic number, because the mean of its divisors is an integer number (4715064).

Almost surely, 240165130 is an apocalyptic number.

40165130 is a deficient number, since it is larger than the sum of its proper divisors (35275894).

40165130 is a wasteful number, since it uses less digits than its factorization.

40165130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174661.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 40165130 is about 6337.5965475881. The cubic root of 40165130 is about 342.4651570927.

The spelling of 40165130 in words is "forty million, one hundred sixty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 174631 349262 873155 1746310 4016513 8033026 20082565 40165130