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5137561 = 111337971
BaseRepresentation
bin10011100110010010011001
3100200000102001
4103212102121
52303400221
6302041001
761445212
oct23462231
910600361
105137561
112999a20
121879161
1310ab5a0
1497a409
156b7391
hex4e6499

5137561 has 16 divisors (see below), whose sum is σ = 6205248. Its totient is φ = 4190400.

The previous prime is 5137547. The next prime is 5137651. The reversal of 5137561 is 1657315.

It is a cyclic number.

It is not a de Polignac number, because 5137561 - 25 = 5137529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5137361) 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 15 ways as a sum of consecutive naturals, for example, 4806 + ... + 5776.

It is an arithmetic number, because the mean of its divisors is an integer number (387828).

Almost surely, 25137561 is an apocalyptic number.

It is an amenable number.

5137561 is a deficient number, since it is larger than the sum of its proper divisors (1067687).

5137561 is a wasteful number, since it uses less digits than its factorization.

5137561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032.

The product of its digits is 3150, while the sum is 28.

The square root of 5137561 is about 2266.6188475348. The cubic root of 5137561 is about 172.5516025692.

The spelling of 5137561 in words is "five million, one hundred thirty-seven thousand, five hundred sixty-one".

Divisors: 1 11 13 37 143 407 481 971 5291 10681 12623 35927 138853 395197 467051 5137561