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40148041 = 2316310709
BaseRepresentation
bin1001100100100…
…1110001001001
32210112201202111
42121021301021
540234214131
63552302321
7665152453
oct231116111
983481674
1040148041
11207318aa
12115419a1
13841904b
1454912d3
1537d0ab1
hex2649c49

40148041 has 8 divisors (see below), whose sum is σ = 42154560. Its totient is φ = 38163312.

The previous prime is 40148039. The next prime is 40148057. The reversal of 40148041 is 14084104.

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

It is a cyclic number.

It is not a de Polignac number, because 40148041 - 21 = 40148039 is a prime.

It is a super-2 number, since 2×401480412 = 3223730392275362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40148341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1606 + ... + 9103.

It is an arithmetic number, because the mean of its divisors is an integer number (5269320).

Almost surely, 240148041 is an apocalyptic number.

It is an amenable number.

40148041 is a deficient number, since it is larger than the sum of its proper divisors (2006519).

40148041 is a wasteful number, since it uses less digits than its factorization.

40148041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10895.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 40148041 is about 6336.2481801142. The cubic root of 40148041 is about 342.4165808172.

The spelling of 40148041 in words is "forty million, one hundred forty-eight thousand, forty-one".

Divisors: 1 23 163 3749 10709 246307 1745567 40148041