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40481459 = 113358243
BaseRepresentation
bin1001101001101…
…1001010110011
32211011200010022
42122123022303
540330401314
64003354055
71001041514
oct232331263
984150108
1040481459
112093a357
121168292b
138504a35
14553aa0b
15384978e
hex269b2b3

40481459 has 4 divisors (see below), whose sum is σ = 40839816. Its totient is φ = 40123104.

The previous prime is 40481423. The next prime is 40481503. The reversal of 40481459 is 95418404.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40481459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40481059) 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, 179009 + ... + 179234.

It is an arithmetic number, because the mean of its divisors is an integer number (10209954).

Almost surely, 240481459 is an apocalyptic number.

40481459 is a deficient number, since it is larger than the sum of its proper divisors (358357).

40481459 is a wasteful number, since it uses less digits than its factorization.

40481459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358356.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 40481459 is about 6362.5041453818. The cubic root of 40481459 is about 343.3618594662.

The spelling of 40481459 in words is "forty million, four hundred eighty-one thousand, four hundred fifty-nine".

Divisors: 1 113 358243 40481459