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40333861 = 971632551
BaseRepresentation
bin1001100111011…
…1001000100101
32210220011122201
42121313020211
540311140421
64000254501
7666555301
oct231671045
983804581
1040333861
1120849477
1211611431
1384827b9
1454dcd01
15381ab91
hex2677225

40333861 has 8 divisors (see below), whose sum is σ = 41015744. Its totient is φ = 39657600.

The previous prime is 40333847. The next prime is 40333889. The reversal of 40333861 is 16833304.

40333861 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 4-Lehmer number, since φ(40333861) divides (40333861-1)4.

It is a cyclic number.

It is not a de Polignac number, because 40333861 - 25 = 40333829 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 (40333841) 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, 14536 + ... + 17086.

It is an arithmetic number, because the mean of its divisors is an integer number (5126968).

Almost surely, 240333861 is an apocalyptic number.

It is an amenable number.

40333861 is a deficient number, since it is larger than the sum of its proper divisors (681883).

40333861 is a wasteful number, since it uses less digits than its factorization.

40333861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 40333861 is about 6350.8945039262. The cubic root of 40333861 is about 342.9440447954.

The spelling of 40333861 in words is "forty million, three hundred thirty-three thousand, eight hundred sixty-one".

Divisors: 1 97 163 2551 15811 247447 415813 40333861