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5538461 = 18732957
BaseRepresentation
bin10101001000001010011101
3101102101100012
4111020022131
52404212321
6314413005
765035055
oct25101235
911371305
105538461
113143145
121a31165
1311bbbc6
14a42565
1574605b
hex54829d

5538461 has 4 divisors (see below), whose sum is σ = 5543292. Its totient is φ = 5533632.

The previous prime is 5538451. The next prime is 5538473. The reversal of 5538461 is 1648355.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1648355 = 5329671.

It can be written as a sum of positive squares in 2 ways, for example, as 498436 + 5040025 = 706^2 + 2245^2 .

It is a cyclic number.

It is not a de Polignac number, because 5538461 - 222 = 1344157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5538431) 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, 395 + ... + 3351.

It is an arithmetic number, because the mean of its divisors is an integer number (1385823).

Almost surely, 25538461 is an apocalyptic number.

It is an amenable number.

5538461 is a deficient number, since it is larger than the sum of its proper divisors (4831).

5538461 is a wasteful number, since it uses less digits than its factorization.

5538461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830.

The product of its digits is 14400, while the sum is 32.

The square root of 5538461 is about 2353.3935072571. The cubic root of 5538461 is about 176.9279181313.

The spelling of 5538461 in words is "five million, five hundred thirty-eight thousand, four hundred sixty-one".

Divisors: 1 1873 2957 5538461