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41908139 = 7132320023
BaseRepresentation
bin1001111111011…
…1011110101011
32220212011011022
42133313132223
541212030024
64054123055
71016133110
oct237673653
986764138
1041908139
1121724229
121205048b
1388b4220
1457cc907
153a2c35e
hex27f77ab

41908139 has 16 divisors (see below), whose sum is σ = 53824512. Its totient is φ = 31714848.

The previous prime is 41908117. The next prime is 41908169. The reversal of 41908139 is 93180914.

It is a cyclic number.

It is not a de Polignac number, because 41908139 - 220 = 40859563 is a prime.

It is a super-2 number, since 2×419081392 = 3512584228886642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 41908099 and 41908108.

It is not an unprimeable number, because it can be changed into a prime (41908169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7919 + ... + 12104.

It is an arithmetic number, because the mean of its divisors is an integer number (3364032).

Almost surely, 241908139 is an apocalyptic number.

41908139 is a deficient number, since it is larger than the sum of its proper divisors (11916373).

41908139 is a wasteful number, since it uses less digits than its factorization.

41908139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20066.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 41908139 is about 6473.6495889104. The cubic root of 41908139 is about 347.3490578517.

The spelling of 41908139 in words is "forty-one million, nine hundred eight thousand, one hundred thirty-nine".

Divisors: 1 7 13 23 91 161 299 2093 20023 140161 260299 460529 1822093 3223703 5986877 41908139