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40076365 = 572374421
BaseRepresentation
bin1001100011100…
…0010001001101
32210102002102211
42120320101031
540224420430
63550550421
7664433500
oct230702115
983362384
1040076365
1120692a6a
1211508411
1383c2534
145473137
1537b972a
hex263844d

40076365 has 24 divisors (see below), whose sum is σ = 57468312. Its totient is φ = 26732160.

The previous prime is 40076363. The next prime is 40076389. The reversal of 40076365 is 56367004.

It can be written as a sum of positive squares in 4 ways, for example, as 17816841 + 22259524 = 4221^2 + 4718^2 .

It is not a de Polignac number, because 40076365 - 21 = 40076363 is a prime.

It is a super-2 number, since 2×400763652 = 3212230063226450, 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 (40076363) 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, 6855 + ... + 11275.

It is an arithmetic number, because the mean of its divisors is an integer number (2394513).

Almost surely, 240076365 is an apocalyptic number.

It is an amenable number.

40076365 is a deficient number, since it is larger than the sum of its proper divisors (17391947).

40076365 is a wasteful number, since it uses less digits than its factorization.

40076365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4477 (or 4470 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 40076365 is about 6330.5896249875. The cubic root of 40076365 is about 342.2126881718.

The spelling of 40076365 in words is "forty million, seventy-six thousand, three hundred sixty-five".

Divisors: 1 5 7 35 37 49 185 245 259 1295 1813 4421 9065 22105 30947 154735 163577 216629 817885 1083145 1145039 5725195 8015273 40076365