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4689297 = 321730649
BaseRepresentation
bin10001111000110110010001
322211020111200
4101320312101
52200024142
6244301413
754600264
oct21706621
98736450
104689297
112713158
1216a1869
13c82542
148a0cdb
1562964c
hex478d91

4689297 has 12 divisors (see below), whose sum is σ = 7172100. Its totient is φ = 2942208.

The previous prime is 4689287. The next prime is 4689299. The reversal of 4689297 is 7929864.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1535121 + 3154176 = 1239^2 + 1776^2 .

It is not a de Polignac number, because 4689297 - 27 = 4689169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4689299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15172 + ... + 15477.

It is an arithmetic number, because the mean of its divisors is an integer number (597675).

Almost surely, 24689297 is an apocalyptic number.

It is an amenable number.

4689297 is a deficient number, since it is larger than the sum of its proper divisors (2482803).

4689297 is a wasteful number, since it uses less digits than its factorization.

4689297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30672 (or 30669 counting only the distinct ones).

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

The square root of 4689297 is about 2165.4784690687. The cubic root of 4689297 is about 167.3796209396.

The spelling of 4689297 in words is "four million, six hundred eighty-nine thousand, two hundred ninety-seven".

Divisors: 1 3 9 17 51 153 30649 91947 275841 521033 1563099 4689297