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41990940 = 2233577761
BaseRepresentation
bin1010000000101…
…1101100011100
32221000100202000
42200023230130
541222202230
64100002300
71016626365
oct240135434
987010660
1041990940
1121780462
1212090390
138912b14
145810b6c
153a46b60
hex280bb1c

41990940 has 48 divisors (see below), whose sum is σ = 130640160. Its totient is φ = 11197440.

The previous prime is 41990917. The next prime is 41990941. The reversal of 41990940 is 4909914.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 41990895 and 41990904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41990941) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 38341 + ... + 39420.

It is an arithmetic number, because the mean of its divisors is an integer number (2721670).

Almost surely, 241990940 is an apocalyptic number.

It is an amenable number.

41990940 is an abundant number, since it is smaller than the sum of its proper divisors (88649220).

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

41990940 is a wasteful number, since it uses less digits than its factorization.

41990940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77779 (or 77771 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 41990940 is about 6480.0416665327. The cubic root of 41990940 is about 347.5776684044.

The spelling of 41990940 in words is "forty-one million, nine hundred ninety thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 77761 155522 233283 311044 388805 466566 699849 777610 933132 1166415 1399698 1555220 2099547 2332830 2799396 3499245 4199094 4665660 6998490 8398188 10497735 13996980 20995470 41990940