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40131002 = 2198271277
BaseRepresentation
bin1001100100010…
…1100110111010
32210111212101102
42121011212322
540233143002
63552051402
7665052002
oct231054672
983455342
1040131002
112072001a
1211533b62
138411372
145489002
1537caa02
hex26459ba

40131002 has 16 divisors (see below), whose sum is σ = 63491040. Its totient is φ = 18971568.

The previous prime is 40130989. The next prime is 40131011. The reversal of 40131002 is 20013104.

It is a happy number.

40131002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×401310022 = 3220994643048008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30788 + ... + 32064.

It is an arithmetic number, because the mean of its divisors is an integer number (3968190).

Almost surely, 240131002 is an apocalyptic number.

40131002 is a deficient number, since it is larger than the sum of its proper divisors (23360038).

40131002 is a wasteful number, since it uses less digits than its factorization.

40131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 40131002 is about 6334.9034720349. The cubic root of 40131002 is about 342.3681329431.

Adding to 40131002 its reverse (20013104), we get a palindrome (60144106).

The spelling of 40131002 in words is "forty million, one hundred thirty-one thousand, two".

Divisors: 1 2 19 38 827 1277 1654 2554 15713 24263 31426 48526 1056079 2112158 20065501 40131002