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41406247 = 105139397
BaseRepresentation
bin1001110111110…
…0111100100111
32212220122200201
42131330330213
541044444442
64035251331
71011642631
oct235747447
985818621
1041406247
1121411143
1211a49b47
13876994c
1456dba51
15397d7b7
hex277cf27

41406247 has 4 divisors (see below), whose sum is σ = 41446696. Its totient is φ = 41365800.

The previous prime is 41406227. The next prime is 41406347. The reversal of 41406247 is 74260414.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74260414 = 237130207.

It is a cyclic number.

It is not a de Polignac number, because 41406247 - 219 = 40881959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41406217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18648 + ... + 20749.

It is an arithmetic number, because the mean of its divisors is an integer number (10361674).

Almost surely, 241406247 is an apocalyptic number.

41406247 is a deficient number, since it is larger than the sum of its proper divisors (40449).

41406247 is a wasteful number, since it uses less digits than its factorization.

41406247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40448.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 41406247 is about 6434.7686050083. The cubic root of 41406247 is about 345.9568675559.

The spelling of 41406247 in words is "forty-one million, four hundred six thousand, two hundred forty-seven".

Divisors: 1 1051 39397 41406247