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40354223 = 713443453
BaseRepresentation
bin1001100111110…
…0000110101111
32210221012120212
42121330012233
540312313343
64000533035
71000001540
oct231740657
983835525
1040354223
11208627a8
121162117b
13848bb50
1455064c7
153821c18
hex267c1af

40354223 has 8 divisors (see below), whose sum is σ = 49666848. Its totient is φ = 31928544.

The previous prime is 40354217. The next prime is 40354261. The reversal of 40354223 is 32245304.

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 40354223 - 24 = 40354207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40354273) 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, 221636 + ... + 221817.

It is an arithmetic number, because the mean of its divisors is an integer number (6208356).

Almost surely, 240354223 is an apocalyptic number.

40354223 is a deficient number, since it is larger than the sum of its proper divisors (9312625).

40354223 is a wasteful number, since it uses less digits than its factorization.

40354223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443473.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40354223 is about 6352.4973829196. The cubic root of 40354223 is about 343.0017452957.

Adding to 40354223 its reverse (32245304), we get a palindrome (72599527).

The spelling of 40354223 in words is "forty million, three hundred fifty-four thousand, two hundred twenty-three".

Divisors: 1 7 13 91 443453 3104171 5764889 40354223