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41238978 = 23112431321
BaseRepresentation
bin1001110101010…
…0000111000010
32212121011020120
42131110013002
541024121403
64031521110
71010345154
oct235240702
985534216
1041238978
1121307500
1211989196
13870b781
145696ad4
153948e53
hex27541c2

41238978 has 48 divisors (see below), whose sum is σ = 92836128. Its totient is φ = 12196800.

The previous prime is 41238961. The next prime is 41239013. The reversal of 41238978 is 87983214.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30558 + ... + 31878.

It is an arithmetic number, because the mean of its divisors is an integer number (1934086).

Almost surely, 241238978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41238978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46418064).

41238978 is an abundant number, since it is smaller than the sum of its proper divisors (51597150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41238978 is a wasteful number, since it uses less digits than its factorization.

41238978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391 (or 1380 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 41238978 is about 6421.7581704701. The cubic root of 41238978 is about 345.4903843411.

The spelling of 41238978 in words is "forty-one million, two hundred thirty-eight thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 11 22 33 43 66 86 121 129 242 258 363 473 726 946 1321 1419 2642 2838 3963 5203 7926 10406 14531 15609 29062 31218 43593 56803 87186 113606 159841 170409 319682 340818 479523 624833 959046 1249666 1874499 3748998 6873163 13746326 20619489 41238978