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40132115 = 543732557
BaseRepresentation
bin1001100100010…
…1111000010011
32210111220220122
42121011320103
540233211430
63552100455
7665055152
oct231057023
983456818
1040132115
1120720941
121153472b
138411a1a
145489599
1537caee5
hex2645e13

40132115 has 16 divisors (see below), whose sum is σ = 49973088. Its totient is φ = 30917376.

The previous prime is 40132093. The next prime is 40132117. The reversal of 40132115 is 51123104.

It is a cyclic number.

It is not a de Polignac number, because 40132115 - 224 = 23354899 is a prime.

It is a super-2 number, since 2×401321152 = 3221173308746450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40132093 and 40132102.

It is not an unprimeable number, because it can be changed into a prime (40132117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14417 + ... + 16973.

It is an arithmetic number, because the mean of its divisors is an integer number (3123318).

Almost surely, 240132115 is an apocalyptic number.

40132115 is a deficient number, since it is larger than the sum of its proper divisors (9840973).

40132115 is a wasteful number, since it uses less digits than its factorization.

40132115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 40132115 is about 6334.9913180682. The cubic root of 40132115 is about 342.3712980124.

Adding to 40132115 its reverse (51123104), we get a palindrome (91255219).

The spelling of 40132115 in words is "forty million, one hundred thirty-two thousand, one hundred fifteen".

Divisors: 1 5 43 73 215 365 2557 3139 12785 15695 109951 186661 549755 933305 8026423 40132115