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41940640 = 255737447
BaseRepresentation
bin1001111111111…
…1011010100000
32220220210202001
42133333122200
541214100030
64054533344
71016326630
oct237773240
986823661
1041940640
1121746695
1212067254
1388c5c61
1457da6c0
153a36cca
hex27ff6a0

41940640 has 48 divisors (see below), whose sum is σ = 113242752. Its totient is φ = 14379264.

The previous prime is 41940631. The next prime is 41940659. The reversal of 41940640 is 4604914.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 41940599 and 41940608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17604 + ... + 19843.

It is an arithmetic number, because the mean of its divisors is an integer number (2359224).

Almost surely, 241940640 is an apocalyptic number.

41940640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41940640 is an abundant number, since it is smaller than the sum of its proper divisors (71302112).

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

41940640 is a wasteful number, since it uses less digits than its factorization.

41940640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37469 (or 37461 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 41940640 is about 6476.1593556675. The cubic root of 41940640 is about 347.4388278016.

The spelling of 41940640 in words is "forty-one million, nine hundred forty thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 37447 74894 149788 187235 262129 299576 374470 524258 599152 748940 1048516 1198304 1310645 1497880 2097032 2621290 2995760 4194064 5242580 5991520 8388128 10485160 20970320 41940640