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40115084 = 2210028771
BaseRepresentation
bin1001100100000…
…1101110001100
32210111001112212
42121001232030
540232140314
63551445552
7664654412
oct231015614
983431485
1040115084
112070a069
12115268b8
138407049
1454832b2
1537c5e3e
hex2641b8c

40115084 has 6 divisors (see below), whose sum is σ = 70201404. Its totient is φ = 20057540.

The previous prime is 40115083. The next prime is 40115093. The reversal of 40115084 is 48051104.

It is not an unprimeable number, because it can be changed into a prime (40115083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5014382 + ... + 5014389.

It is an arithmetic number, because the mean of its divisors is an integer number (11700234).

Almost surely, 240115084 is an apocalyptic number.

It is an amenable number.

40115084 is a deficient number, since it is larger than the sum of its proper divisors (30086320).

40115084 is a wasteful number, since it uses less digits than its factorization.

40115084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028775 (or 10028773 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 40115084 is about 6333.6469746900. The cubic root of 40115084 is about 342.3228600752.

Adding to 40115084 its reverse (48051104), we get a palindrome (88166188).

The spelling of 40115084 in words is "forty million, one hundred fifteen thousand, eighty-four".

Divisors: 1 2 4 10028771 20057542 40115084