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46728431 = 202723053
BaseRepresentation
bin1011001001000…
…0010011101111
310020221001100122
42302100103233
543430302211
64345315155
71105120331
oct262202357
9106831318
1046728431
1124416842
1213795abb
1398b1279
1462c5451
1541806db
hex2c904ef

46728431 has 4 divisors (see below), whose sum is σ = 46753512. Its totient is φ = 46703352.

The previous prime is 46728403. The next prime is 46728443. The reversal of 46728431 is 13482764.

46728431 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 46728431 - 214 = 46712047 is a prime.

It is a super-2 number, since 2×467284312 = 4367092527443522, 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 = 46728391 and 46728400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46728491) 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, 9500 + ... + 13553.

It is an arithmetic number, because the mean of its divisors is an integer number (11688378).

Almost surely, 246728431 is an apocalyptic number.

46728431 is a deficient number, since it is larger than the sum of its proper divisors (25081).

46728431 is a wasteful number, since it uses less digits than its factorization.

46728431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25080.

The product of its digits is 32256, while the sum is 35.

The square root of 46728431 is about 6835.8197021279. The cubic root of 46728431 is about 360.1861974036.

The spelling of 46728431 in words is "forty-six million, seven hundred twenty-eight thousand, four hundred thirty-one".

Divisors: 1 2027 23053 46728431