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41256381 = 331547811
BaseRepresentation
bin1001110101100…
…0010110111101
32212122001010010
42131120112331
541030201011
64032133433
71010446665
oct235302675
985561103
1041256381
1121319591
1211997279
13871667a
14569d1a5
15394e1a6
hex27585bd

41256381 has 16 divisors (see below), whose sum is σ = 56956928. Its totient is φ = 26535600.

The previous prime is 41256367. The next prime is 41256401. The reversal of 41256381 is 18365214.

It is not a de Polignac number, because 41256381 - 29 = 41255869 is a prime.

It is a super-2 number, since 2×412563812 = 3404177946434322, 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 (41256361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50466 + ... + 51276.

It is an arithmetic number, because the mean of its divisors is an integer number (3559808).

Almost surely, 241256381 is an apocalyptic number.

It is an amenable number.

41256381 is a deficient number, since it is larger than the sum of its proper divisors (15700547).

41256381 is a wasteful number, since it uses less digits than its factorization.

41256381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392.

The product of its digits is 5760, while the sum is 30.

The square root of 41256381 is about 6423.1130302992. The cubic root of 41256381 is about 345.5389769095.

The spelling of 41256381 in words is "forty-one million, two hundred fifty-six thousand, three hundred eighty-one".

Divisors: 1 3 31 93 547 811 1641 2433 16957 25141 50871 75423 443617 1330851 13752127 41256381