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40224007 = 192117053
BaseRepresentation
bin1001100101110…
…0010100000111
32210200120222001
42121130110013
540244132012
63554050131
7665620105
oct231342407
983616861
1040224007
112078398a
1211579947
1384447b5
1454b0c75
1537e8357
hex265c507

40224007 has 4 divisors (see below), whose sum is σ = 42341080. Its totient is φ = 38106936.

The previous prime is 40223977. The next prime is 40224011. The reversal of 40224007 is 70042204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40224007 - 211 = 40221959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 2117053 = 40224007 / (4 + 0 + 2 + 2 + 4 + 0 + 0 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40224047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058508 + ... + 1058545.

It is an arithmetic number, because the mean of its divisors is an integer number (10585270).

Almost surely, 240224007 is an apocalyptic number.

40224007 is a deficient number, since it is larger than the sum of its proper divisors (2117073).

40224007 is a wasteful number, since it uses less digits than its factorization.

40224007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117072.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 40224007 is about 6342.2399040087. The cubic root of 40224007 is about 342.6324122614.

The spelling of 40224007 in words is "forty million, two hundred twenty-four thousand, seven".

Divisors: 1 19 2117053 40224007