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5127521 = 73312213
BaseRepresentation
bin10011100011110101100001
3100122111122012
4103203311201
52303040041
6301522305
761404020
oct23436541
910574565
105127521
112992423
121873395
1310a6b49
149768b7
156b43eb
hex4e3d61

5127521 has 8 divisors (see below), whose sum is σ = 5880384. Its totient is φ = 4379760.

The previous prime is 5127503. The next prime is 5127527. The reversal of 5127521 is 1257215.

It is a happy number.

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

It is not a de Polignac number, because 5127521 - 210 = 5126497 is a prime.

It is a super-3 number, since 3×51275213 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5127527) 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, 1211 + ... + 3423.

It is an arithmetic number, because the mean of its divisors is an integer number (735048).

Almost surely, 25127521 is an apocalyptic number.

It is an amenable number.

5127521 is a deficient number, since it is larger than the sum of its proper divisors (752863).

5127521 is a wasteful number, since it uses less digits than its factorization.

5127521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551.

The product of its digits is 700, while the sum is 23.

The square root of 5127521 is about 2264.4030118334. The cubic root of 5127521 is about 172.4391271596.

It can be divided in two parts, 51 and 27521, that added together give a palindrome (27572).

The spelling of 5127521 in words is "five million, one hundred twenty-seven thousand, five hundred twenty-one".

Divisors: 1 7 331 2213 2317 15491 732503 5127521