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40055036 = 2271738269
BaseRepresentation
bin1001100011001…
…1000011111100
32210101000011212
42120303003330
540223230121
63550303552
7664314350
oct230630374
983330155
1040055036
1120678a3a
12114b7bb8
1383b5908
145469460
1537b325b
hex26330fc

40055036 has 24 divisors (see below), whose sum is σ = 80582880. Its totient is φ = 17065152.

The previous prime is 40055017. The next prime is 40055047. The reversal of 40055036 is 63055004.

40055036 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 2×400550362 = 3208811817922592, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 710 + ... + 8978.

It is an arithmetic number, because the mean of its divisors is an integer number (3357620).

Almost surely, 240055036 is an apocalyptic number.

It is an amenable number.

40055036 is an abundant number, since it is smaller than the sum of its proper divisors (40527844).

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

40055036 is a wasteful number, since it uses less digits than its factorization.

40055036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453 (or 8451 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 40055036 is about 6328.9048025705. The cubic root of 40055036 is about 342.1519678471.

The spelling of 40055036 in words is "forty million, fifty-five thousand, thirty-six".

Divisors: 1 2 4 7 14 28 173 346 692 1211 2422 4844 8269 16538 33076 57883 115766 231532 1430537 2861074 5722148 10013759 20027518 40055036