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40423341 = 371924921
BaseRepresentation
bin1001101000110…
…0111110101101
32211001201101210
42122030332231
540322021331
64002225033
71000410210
oct232147655
984051353
1040423341
11208aa722
1211655179
1384b444a
145523777
153837446
hex268cfad

40423341 has 8 divisors (see below), whose sum is σ = 61597504. Its totient is φ = 23099040.

The previous prime is 40423333. The next prime is 40423343. The reversal of 40423341 is 14332404.

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

It is not a de Polignac number, because 40423341 - 23 = 40423333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1924921 = 40423341 / (4 + 0 + 4 + 2 + 3 + 3 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423343) 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, 962440 + ... + 962481.

It is an arithmetic number, because the mean of its divisors is an integer number (7699688).

Almost surely, 240423341 is an apocalyptic number.

It is an amenable number.

40423341 is a deficient number, since it is larger than the sum of its proper divisors (21174163).

40423341 is a wasteful number, since it uses less digits than its factorization.

40423341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924931.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40423341 is about 6357.9352780600. The cubic root of 40423341 is about 343.1974627069.

Adding to 40423341 its reverse (14332404), we get a palindrome (54755745).

The spelling of 40423341 in words is "forty million, four hundred twenty-three thousand, three hundred forty-one".

Divisors: 1 3 7 21 1924921 5774763 13474447 40423341