Search a number
-
+
46680231 = 31379109139
BaseRepresentation
bin1011001000010…
…0100010100111
310020211121020110
42302010202213
543422231411
64344304103
71104526653
oct262044247
9106747213
1046680231
1124393604
1213772033
139895350
1462b1a63
1541712a6
hex2c848a7

46680231 has 32 divisors (see below), whose sum is σ = 68992000. Its totient is φ = 27900288.

The previous prime is 46680217. The next prime is 46680253. The reversal of 46680231 is 13208664.

It is not a de Polignac number, because 46680231 - 211 = 46678183 is a prime.

It is a super-2 number, since 2×466802312 = 4358087932426722, 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 (46680211) 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 31 ways as a sum of consecutive naturals, for example, 335760 + ... + 335898.

It is an arithmetic number, because the mean of its divisors is an integer number (2156000).

Almost surely, 246680231 is an apocalyptic number.

46680231 is a deficient number, since it is larger than the sum of its proper divisors (22311769).

46680231 is a wasteful number, since it uses less digits than its factorization.

46680231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 46680231 is about 6832.2932460485. The cubic root of 46680231 is about 360.0623117448.

Adding to 46680231 its reverse (13208664), we get a palindrome (59888895).

The spelling of 46680231 in words is "forty-six million, six hundred eighty thousand, two hundred thirty-one".

Divisors: 1 3 13 39 79 109 139 237 327 417 1027 1417 1807 3081 4251 5421 8611 10981 15151 25833 32943 45453 111943 142753 196963 335829 428259 590889 1196929 3590787 15560077 46680231