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4762989 = 337112979
BaseRepresentation
bin10010001010110101101101
322221222121000
4102022311231
52204403424
6250030513
755325160
oct22126555
98858530
104762989
112763560
121718439
13ca9c4a
148bdad7
156413c9
hex48ad6d

4762989 has 64 divisors (see below), whose sum is σ = 9216000. Its totient is φ = 2358720.

The previous prime is 4762969. The next prime is 4762997. The reversal of 4762989 is 9892674.

4762989 = T307 + T308 + ... + T385.

It is a happy number.

It is not a de Polignac number, because 4762989 - 25 = 4762957 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4762949) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60252 + ... + 60330.

It is an arithmetic number, because the mean of its divisors is an integer number (144000).

Almost surely, 24762989 is an apocalyptic number.

It is an amenable number.

4762989 is a deficient number, since it is larger than the sum of its proper divisors (4453011).

4762989 is a wasteful number, since it uses less digits than its factorization.

4762989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 129 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 4762989 is about 2182.4273183774. The cubic root of 4762989 is about 168.2518543909.

It can be divided in two parts, 47 and 62989, that added together give a palindrome (63036).

The spelling of 4762989 in words is "four million, seven hundred sixty-two thousand, nine hundred eighty-nine".

Divisors: 1 3 7 9 11 21 27 29 33 63 77 79 87 99 189 203 231 237 261 297 319 553 609 693 711 783 869 957 1659 1827 2079 2133 2233 2291 2607 2871 4977 5481 6083 6699 6873 7821 8613 14931 16037 18249 20097 20619 23463 25201 48111 54747 60291 61857 75603 144333 164241 176407 226809 432999 529221 680427 1587663 4762989