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40681083 = 3316171101
BaseRepresentation
bin1001101100101…
…1111001111011
32211112210221210
42123023321323
540403243313
64011534203
71002532512
oct233137173
984483853
1040681083
1120a66333
121175a363
138574861
14558d679
1538889c3
hex26cbe7b

40681083 has 32 divisors (see below), whose sum is σ = 58281984. Its totient is φ = 25200000.

The previous prime is 40681073. The next prime is 40681159. The reversal of 40681083 is 38018604.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-40681083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40681083.

It is not an unprimeable number, because it can be changed into a prime (40681013) 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 31 ways as a sum of consecutive naturals, for example, 402733 + ... + 402833.

It is an arithmetic number, because the mean of its divisors is an integer number (1821312).

Almost surely, 240681083 is an apocalyptic number.

40681083 is a deficient number, since it is larger than the sum of its proper divisors (17600901).

40681083 is a wasteful number, since it uses less digits than its factorization.

40681083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 40681083 is about 6378.1723871341. The cubic root of 40681083 is about 343.9253347731.

Adding to 40681083 its reverse (38018604), we get a palindrome (78699687).

It can be divided in two parts, 4068 and 1083, that added together give a triangular number (5151 = T101).

The spelling of 40681083 in words is "forty million, six hundred eighty-one thousand, eighty-three".

Divisors: 1 3 31 61 71 93 101 183 213 303 1891 2201 3131 4331 5673 6161 6603 7171 9393 12993 18483 21513 134261 190991 222301 402783 437431 572973 666903 1312293 13560361 40681083