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41931381 = 382716901
BaseRepresentation
bin1001111111110…
…1001001110101
32220220100001010
42133331021311
541213301011
64054422433
71016260632
oct237751165
986810033
1041931381
112173a738
1212061a19
1388c198b
1457d7189
153a341a6
hex27fd275

41931381 has 8 divisors (see below), whose sum is σ = 55979424. Its totient is φ = 27918800.

The previous prime is 41931377. The next prime is 41931391. The reversal of 41931381 is 18313914.

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

It is a cyclic number.

It is not a de Polignac number, because 41931381 - 22 = 41931377 is a prime.

It is a super-2 number, since 2×419313812 = 3516481425134322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41931301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5970 + ... + 10931.

It is an arithmetic number, because the mean of its divisors is an integer number (6997428).

Almost surely, 241931381 is an apocalyptic number.

It is an amenable number.

41931381 is a deficient number, since it is larger than the sum of its proper divisors (14048043).

41931381 is a wasteful number, since it uses less digits than its factorization.

41931381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17731.

The product of its digits is 2592, while the sum is 30.

The square root of 41931381 is about 6475.4444635098. Note that the first 4 decimals coincide. The cubic root of 41931381 is about 347.4132585458.

The spelling of 41931381 in words is "forty-one million, nine hundred thirty-one thousand, three hundred eighty-one".

Divisors: 1 3 827 2481 16901 50703 13977127 41931381