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40125141 = 3276131039
BaseRepresentation
bin1001100100010…
…0001011010101
32210111120100100
42121010023111
540233001031
63552004313
7665025630
oct231041325
983446310
1040125141
1120716681
1211530699
13840b7b4
145486c17
1537c8de6
hex26442d5

40125141 has 24 divisors (see below), whose sum is σ = 66410240. Its totient is φ = 22869216.

The previous prime is 40125139. The next prime is 40125143. The reversal of 40125141 is 14152104.

It is an interprime number because it is at equal distance from previous prime (40125139) and next prime (40125143).

It is not a de Polignac number, because 40125141 - 21 = 40125139 is a prime.

It is a super-2 number, since 2×401251412 = 3220053880539762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40125143) 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 23 ways as a sum of consecutive naturals, for example, 38100 + ... + 39138.

Almost surely, 240125141 is an apocalyptic number.

It is an amenable number.

40125141 is a deficient number, since it is larger than the sum of its proper divisors (26285099).

40125141 is a wasteful number, since it uses less digits than its factorization.

40125141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 40125141 is about 6334.4408593024. The cubic root of 40125141 is about 342.3514648875.

Adding to 40125141 its reverse (14152104), we get a palindrome (54277245).

The spelling of 40125141 in words is "forty million, one hundred twenty-five thousand, one hundred forty-one".

Divisors: 1 3 7 9 21 63 613 1039 1839 3117 4291 5517 7273 9351 12873 21819 38619 65457 636907 1910721 4458349 5732163 13375047 40125141