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41078381 = 91944699
BaseRepresentation
bin1001110010110…
…0111001101101
32212021222221112
42130230321231
541004002011
64024241405
71006106021
oct234547155
985258845
1041078381
1121207883
1211910265
138683646
145654381
15391658b
hex272ce6d

41078381 has 4 divisors (see below), whose sum is σ = 41124000. Its totient is φ = 41032764.

The previous prime is 41078377. The next prime is 41078383. The reversal of 41078381 is 18387014.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41078381 - 22 = 41078377 is a prime.

It is a super-2 number, since 2×410783812 = 3374866771162322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41078383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21431 + ... + 23268.

It is an arithmetic number, because the mean of its divisors is an integer number (10281000).

Almost surely, 241078381 is an apocalyptic number.

It is an amenable number.

41078381 is a deficient number, since it is larger than the sum of its proper divisors (45619).

41078381 is an equidigital number, since it uses as much as digits as its factorization.

41078381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45618.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 41078381 is about 6409.2418428391. The cubic root of 41078381 is about 345.0413197027.

The spelling of 41078381 in words is "forty-one million, seventy-eight thousand, three hundred eighty-one".

Divisors: 1 919 44699 41078381