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40024243 = 75996911
BaseRepresentation
bin1001100010101…
…1100010110011
32210022102221101
42120223202303
540221233433
63545505231
7664125520
oct230534263
983272841
1040024243
1120657896
12114a2217
1383a48ac
14545c147
1537a907d
hex262b8b3

40024243 has 8 divisors (see below), whose sum is σ = 46517760. Its totient is φ = 33724680.

The previous prime is 40024183. The next prime is 40024247. The reversal of 40024243 is 34242004.

40024243 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 not a de Polignac number, because 40024243 - 213 = 40016051 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 40024243.

It is not an unprimeable number, because it can be changed into a prime (40024247) 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, 48043 + ... + 48868.

It is an arithmetic number, because the mean of its divisors is an integer number (5814720).

Almost surely, 240024243 is an apocalyptic number.

40024243 is a deficient number, since it is larger than the sum of its proper divisors (6493517).

40024243 is an equidigital number, since it uses as much as digits as its factorization.

40024243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96977.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 40024243 is about 6326.4716074602. The cubic root of 40024243 is about 342.0642669599.

Adding to 40024243 its reverse (34242004), we get a palindrome (74266247).

The spelling of 40024243 in words is "forty million, twenty-four thousand, two hundred forty-three".

Divisors: 1 7 59 413 96911 678377 5717749 40024243