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BaseRepresentation
bin10101011010000010001001
3101120002202011
4111122002021
52414033112
6320135521
765461342
oct25320211
911502664
105611657
113193137
121a675a1
13121630c
14a610c9
1575caa7
hex55a089

5611657 has 4 divisors (see below), whose sum is σ = 5652756. Its totient is φ = 5570560.

The previous prime is 5611643. The next prime is 5611663. The reversal of 5611657 is 7561165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7561165 = 51512233.

It can be written as a sum of positive squares in 2 ways, for example, as 4309776 + 1301881 = 2076^2 + 1141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5611657 is a prime.

It is a Smith number, since the sum of its digits (31) 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 not an unprimeable number, because it can be changed into a prime (5611637) 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, 20344 + ... + 20617.

It is an arithmetic number, because the mean of its divisors is an integer number (1413189).

Almost surely, 25611657 is an apocalyptic number.

It is an amenable number.

5611657 is a deficient number, since it is larger than the sum of its proper divisors (41099).

5611657 is a wasteful number, since it uses less digits than its factorization.

5611657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41098.

The product of its digits is 6300, while the sum is 31.

The square root of 5611657 is about 2368.8936236142. The cubic root of 5611657 is about 177.7039327710.

The spelling of 5611657 in words is "five million, six hundred eleven thousand, six hundred fifty-seven".

Divisors: 1 137 40961 5611657