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4746989 = 133771139
BaseRepresentation
bin10010000110111011101101
322221011122102
4102012323231
52203400424
6245424445
755230422
oct22067355
98834572
104746989
112752535
12170b125
13ca2890
148b7d49
1563b7ae
hex486eed

4746989 has 16 divisors (see below), whose sum is σ = 5362560. Its totient is φ = 4173120.

The previous prime is 4746983. The next prime is 4746997. The reversal of 4746989 is 9896474.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4746989 is a prime.

It is a super-2 number, since 2×47469892 = 45067809132242, 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 (4746983) 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 15 ways as a sum of consecutive naturals, for example, 34082 + ... + 34220.

It is an arithmetic number, because the mean of its divisors is an integer number (335160).

Almost surely, 24746989 is an apocalyptic number.

It is an amenable number.

4746989 is a deficient number, since it is larger than the sum of its proper divisors (615571).

4746989 is a wasteful number, since it uses less digits than its factorization.

4746989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260.

The product of its digits is 435456, while the sum is 47.

The square root of 4746989 is about 2178.7585914920. The cubic root of 4746989 is about 168.0632438569.

The spelling of 4746989 in words is "four million, seven hundred forty-six thousand, nine hundred eighty-nine".

Divisors: 1 13 37 71 139 481 923 1807 2627 5143 9869 34151 66859 128297 365153 4746989