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41943040 = 2235
BaseRepresentation
bin1010000000000…
…0000000000000
32220220221000221
42200000000000
541214134130
64054552424
71016336626
oct240000000
986827027
1041943040
1121748477
1212068714
1388c7089
1457db516
153a3787a
hex2800000

41943040 has 48 divisors (see below), whose sum is σ = 100663290. Its totient is φ = 16777216.

The previous prime is 41943023. The next prime is 41943049. The reversal of 41943040 is 4034914.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 37748736 + 4194304 = 6144^2 + 2048^2 .

It is a nialpdrome in base 4.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 41942996 and 41943014.

It is not an unprimeable number, because it can be changed into a prime (41943049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (2) of ones.

In principle, a polygon with 41943040 sides can be constructed with ruler and compass.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8388606 + ... + 8388610.

Almost surely, 241943040 is an apocalyptic number.

41943040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41943040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50331645).

41943040 is an abundant number, since it is smaller than the sum of its proper divisors (58720250).

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

41943040 is an frugal number, since it uses more digits than its factorization.

41943040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 7 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 41943040 is about 6476.3446480248. The cubic root of 41943040 is about 347.4454549241.

Adding to 41943040 its reverse (4034914), we get a palindrome (45977954).

The spelling of 41943040 in words is "forty-one million, nine hundred forty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2048 2560 4096 5120 8192 10240 16384 20480 32768 40960 65536 81920 131072 163840 262144 327680 524288 655360 1048576 1310720 2097152 2621440 4194304 5242880 8388608 10485760 20971520 41943040