Search a number
-
+
40812383 = 1013131291
BaseRepresentation
bin1001101110101…
…1111101011111
32211210111001202
42123223331133
540421444013
64014430115
71003620353
oct233537537
984714052
1040812383
1121045a47
121180233b
1385bc551
1455c5463
1538b2858
hex26ebf5f

40812383 has 8 divisors (see below), whose sum is σ = 41380176. Its totient is φ = 40248000.

The previous prime is 40812379. The next prime is 40812389. The reversal of 40812383 is 38321804.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40812383 - 22 = 40812379 is a prime.

It is a super-2 number, since 2×408123832 = 3331301212277378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40812389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30968 + ... + 32258.

It is an arithmetic number, because the mean of its divisors is an integer number (5172522).

Almost surely, 240812383 is an apocalyptic number.

40812383 is a deficient number, since it is larger than the sum of its proper divisors (567793).

40812383 is a wasteful number, since it uses less digits than its factorization.

40812383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 40812383 is about 6388.4570124561. The cubic root of 40812383 is about 344.2949488341.

The spelling of 40812383 in words is "forty million, eight hundred twelve thousand, three hundred eighty-three".

Divisors: 1 101 313 1291 31613 130391 404083 40812383