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40500993 = 3131038487
BaseRepresentation
bin1001101001111…
…1111100000001
32211012122220210
42122133330001
540332012433
64004024333
71001152461
oct232377401
984178823
1040500993
1120952aa5
12116920a9
1385108b0
145543ba1
153850463
hex269ff01

40500993 has 8 divisors (see below), whose sum is σ = 58155328. Its totient is φ = 24923664.

The previous prime is 40500983. The next prime is 40501003. The reversal of 40500993 is 39900504.

It is an interprime number because it is at equal distance from previous prime (40500983) and next prime (40501003).

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

It is not a de Polignac number, because 40500993 - 213 = 40492801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40500993.

It is not an unprimeable number, because it can be changed into a prime (40500983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519205 + ... + 519282.

It is an arithmetic number, because the mean of its divisors is an integer number (7269416).

Almost surely, 240500993 is an apocalyptic number.

It is an amenable number.

40500993 is a deficient number, since it is larger than the sum of its proper divisors (17654335).

40500993 is a wasteful number, since it uses less digits than its factorization.

40500993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038503.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 40500993 is about 6364.0390476489. The cubic root of 40500993 is about 343.4170794128.

The spelling of 40500993 in words is "forty million, five hundred thousand, nine hundred ninety-three".

Divisors: 1 3 13 39 1038487 3115461 13500331 40500993