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41981001 = 382716921
BaseRepresentation
bin1010000000100…
…1010001001001
32220222212002220
42200021101021
541221343001
64055444253
71016555406
oct240112111
986885086
1041981001
1121773a47
1212086689
13890b43a
14580b2ad
153a43c36
hex2809449

41981001 has 8 divisors (see below), whose sum is σ = 56045664. Its totient is φ = 27951840.

The previous prime is 41980979. The next prime is 41981021. The reversal of 41981001 is 10018914.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 41981001 - 29 = 41980489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (41981021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5980 + ... + 10941.

It is an arithmetic number, because the mean of its divisors is an integer number (7005708).

Almost surely, 241981001 is an apocalyptic number.

It is an amenable number.

41981001 is a deficient number, since it is larger than the sum of its proper divisors (14064663).

41981001 is a wasteful number, since it uses less digits than its factorization.

41981001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17751.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 41981001 is about 6479.2747279306. The cubic root of 41981001 is about 347.5502430674.

Adding to 41981001 its reverse (10018914), we get a palindrome (51999915).

The spelling of 41981001 in words is "forty-one million, nine hundred eighty-one thousand, one".

Divisors: 1 3 827 2481 16921 50763 13993667 41981001