Search a number
-
+
46731631 = 151309481
BaseRepresentation
bin1011001001000…
…1000101101111
310020221012202011
42302101011233
543430403011
64345342051
71105132552
oct262210557
9106835664
1046731631
1124419191
1213797927
1398b286b
1462c6699
154181621
hex2c9116f

46731631 has 4 divisors (see below), whose sum is σ = 47041264. Its totient is φ = 46422000.

The previous prime is 46731617. The next prime is 46731649. The reversal of 46731631 is 13613764.

46731631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46731631 - 29 = 46731119 is a prime.

It is a super-2 number, since 2×467316312 = 4367690671840322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46731593 and 46731602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46731031) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 154590 + ... + 154891.

It is an arithmetic number, because the mean of its divisors is an integer number (11760316).

Almost surely, 246731631 is an apocalyptic number.

46731631 is the 4324-th centered pentagonal number.

46731631 is a deficient number, since it is larger than the sum of its proper divisors (309633).

46731631 is a wasteful number, since it uses less digits than its factorization.

46731631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309632.

The product of its digits is 9072, while the sum is 31.

The square root of 46731631 is about 6836.0537592971. The cubic root of 46731631 is about 360.1944191614.

The spelling of 46731631 in words is "forty-six million, seven hundred thirty-one thousand, six hundred thirty-one".

Divisors: 1 151 309481 46731631