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4897129 = 6177937
BaseRepresentation
bin10010101011100101101001
3100012210121011
4102223211221
52223202004
6252543521
756424226
oct22534551
910183534
104897129
112845316
121781ba1
131026013
1491694d
1566b004
hex4ab969

4897129 has 4 divisors (see below), whose sum is σ = 4905684. Its totient is φ = 4888576.

The previous prime is 4897103. The next prime is 4897153. The reversal of 4897129 is 9217984.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2647129 + 2250000 = 1627^2 + 1500^2 .

It is a cyclic number.

It is not a de Polignac number, because 4897129 - 27 = 4897001 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4897091 and 4897100.

It is not an unprimeable number, because it can be changed into a prime (4897199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3352 + ... + 4585.

It is an arithmetic number, because the mean of its divisors is an integer number (1226421).

Almost surely, 24897129 is an apocalyptic number.

It is an amenable number.

4897129 is a deficient number, since it is larger than the sum of its proper divisors (8555).

4897129 is an equidigital number, since it uses as much as digits as its factorization.

4897129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8554.

The product of its digits is 36288, while the sum is 40.

The square root of 4897129 is about 2212.9457743018. The cubic root of 4897129 is about 169.8167460129.

The spelling of 4897129 in words is "four million, eight hundred ninety-seven thousand, one hundred twenty-nine".

Divisors: 1 617 7937 4897129