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40093207 = 711520691
BaseRepresentation
bin1001100011110…
…0011000010111
32210102221112121
42120330120113
540230440312
63551200411
7664533550
oct230743027
983387477
1040093207
11206a4690
1211516107
1383ca0bb
145479327
1537be707
hex263c617

40093207 has 8 divisors (see below), whose sum is σ = 49986432. Its totient is φ = 31241400.

The previous prime is 40093189. The next prime is 40093217. The reversal of 40093207 is 70239004.

40093207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40093207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40093217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260269 + ... + 260422.

It is an arithmetic number, because the mean of its divisors is an integer number (6248304).

Almost surely, 240093207 is an apocalyptic number.

40093207 is a deficient number, since it is larger than the sum of its proper divisors (9893225).

40093207 is a wasteful number, since it uses less digits than its factorization.

40093207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520709.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 40093207 is about 6331.9196931105. The cubic root of 40093207 is about 342.2606194892.

The spelling of 40093207 in words is "forty million, ninety-three thousand, two hundred seven".

Divisors: 1 7 11 77 520691 3644837 5727601 40093207