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5137909 = 73123677
BaseRepresentation
bin10011100110010111110101
3100200000212221
4103212113311
52303403114
6302042341
761446220
oct23462765
910600787
105137909
11299a207
1218793b1
1310ab7aa
1497a5b7
156b7524
hex4e65f5

5137909 has 8 divisors (see below), whose sum is σ = 6061568. Its totient is φ = 4261680.

The previous prime is 5137903. The next prime is 5137919. The reversal of 5137909 is 9097315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5137909 - 215 = 5105141 is a prime.

It is a Duffinian number.

5137909 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5137903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11622 + ... + 12055.

It is an arithmetic number, because the mean of its divisors is an integer number (757696).

Almost surely, 25137909 is an apocalyptic number.

It is an amenable number.

5137909 is a deficient number, since it is larger than the sum of its proper divisors (923659).

5137909 is a wasteful number, since it uses less digits than its factorization.

5137909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23715.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 5137909 is about 2266.6956125603. The cubic root of 5137909 is about 172.5554984906. Note that the first 3 decimals are identical.

The spelling of 5137909 in words is "five million, one hundred thirty-seven thousand, nine hundred nine".

Divisors: 1 7 31 217 23677 165739 733987 5137909