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40130334 = 2328326861
BaseRepresentation
bin1001100100010…
…1011100011110
32210111211110200
42121011130132
540233132314
63552044330
7665050026
oct231053436
983454420
1040130334
112071a572
12115336a6
138410c7a
145488a86
1537ca709
hex264571e

40130334 has 24 divisors (see below), whose sum is σ = 87999912. Its totient is φ = 13215120.

The previous prime is 40130329. The next prime is 40130359. The reversal of 40130334 is 43303104.

40130334 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 2×401303342 = 3220887413903112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 11937 + ... + 14924.

It is an arithmetic number, because the mean of its divisors is an integer number (3666663).

Almost surely, 240130334 is an apocalyptic number.

40130334 is an abundant number, since it is smaller than the sum of its proper divisors (47869578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40130334 is a wasteful number, since it uses less digits than its factorization.

40130334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26952 (or 26949 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 40130334 is about 6334.8507480445. The cubic root of 40130334 is about 342.3662333047.

Adding to 40130334 its reverse (43303104), we get a palindrome (83433438).

The spelling of 40130334 in words is "forty million, one hundred thirty thousand, three hundred thirty-four".

Divisors: 1 2 3 6 9 18 83 166 249 498 747 1494 26861 53722 80583 161166 241749 483498 2229463 4458926 6688389 13376778 20065167 40130334