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46331989 = 112478147
BaseRepresentation
bin1011000010111…
…1100001010101
310020011220112121
42300233201111
543330110424
64333015541
71101546454
oct260574125
9106156477
1046331989
1124175a00
12136245b1
1397a29a2
146220b9b
154102ee4
hex2c2f855

46331989 has 12 divisors (see below), whose sum is σ = 52016832. Its totient is φ = 41218760.

The previous prime is 46331983. The next prime is 46331993. The reversal of 46331989 is 98913364.

46331989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-46331989 is a prime.

It is a super-2 number, since 2×463319892 = 4293306409392242, 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 (46331983) 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 11 ways as a sum of consecutive naturals, for example, 1614 + ... + 9760.

It is an arithmetic number, because the mean of its divisors is an integer number (4334736).

Almost surely, 246331989 is an apocalyptic number.

It is an amenable number.

46331989 is a deficient number, since it is larger than the sum of its proper divisors (5684843).

46331989 is a wasteful number, since it uses less digits than its factorization.

46331989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8216 (or 8205 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 46331989 is about 6806.7605364079. The cubic root of 46331989 is about 359.1647017536.

The spelling of 46331989 in words is "forty-six million, three hundred thirty-one thousand, nine hundred eighty-nine".

Divisors: 1 11 47 121 517 5687 8147 89617 382909 985787 4211999 46331989