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5174721 = 32574969
BaseRepresentation
bin10011101111010111000001
3100201220101100
4103233113001
52311042341
6302525013
761661436
oct23572701
910656340
105174721
112a14932
121896769
1310c2486
14989b8d
156c33b6
hex4ef5c1

5174721 has 6 divisors (see below), whose sum is σ = 7474610. Its totient is φ = 3449808.

The previous prime is 5174699. The next prime is 5174723. The reversal of 5174721 is 1274715.

Added to its reverse (1274715) it gives a triangular number (6449436 = T3591).

It can be written as a sum of positive squares in only one way, i.e., 3101121 + 2073600 = 1761^2 + 1440^2 .

It is not a de Polignac number, because 5174721 - 26 = 5174657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5174723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 287476 + ... + 287493.

Almost surely, 25174721 is an apocalyptic number.

It is an amenable number.

5174721 is a deficient number, since it is larger than the sum of its proper divisors (2299889).

5174721 is a wasteful number, since it uses less digits than its factorization.

5174721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574975 (or 574972 counting only the distinct ones).

The product of its digits is 1960, while the sum is 27.

The square root of 5174721 is about 2274.8013100049. The cubic root of 5174721 is about 172.9666257025.

Adding to 5174721 its reverse (1274715), we get a triangular number (6449436 = T3591).

The spelling of 5174721 in words is "five million, one hundred seventy-four thousand, seven hundred twenty-one".

Divisors: 1 3 9 574969 1724907 5174721