Search a number
-
+
40153173 = 313384391
BaseRepresentation
bin1001100100101…
…1000001010101
32210112222210120
42121023001111
540234400143
63552342153
7665203434
oct231130125
983488716
1040153173
1120735745
1211544959
13841b498
14549311b
1537d2383
hex264b055

40153173 has 4 divisors (see below), whose sum is σ = 53537568. Its totient is φ = 26768780.

The previous prime is 40153163. The next prime is 40153187. The reversal of 40153173 is 37135104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40153173 - 26 = 40153109 is a prime.

It is a super-2 number, since 2×401531732 = 3224554603935858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40153163) 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 in 3 ways as a sum of consecutive naturals, for example, 6692193 + ... + 6692198.

It is an arithmetic number, because the mean of its divisors is an integer number (13384392).

Almost surely, 240153173 is an apocalyptic number.

It is an amenable number.

40153173 is a deficient number, since it is larger than the sum of its proper divisors (13384395).

40153173 is a wasteful number, since it uses less digits than its factorization.

40153173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13384394.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 40153173 is about 6336.6531386845. The cubic root of 40153173 is about 342.4311702133.

Adding to 40153173 its reverse (37135104), we get a palindrome (77288277).

The spelling of 40153173 in words is "forty million, one hundred fifty-three thousand, one hundred seventy-three".

Divisors: 1 3 13384391 40153173