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5217157 = 11243117
BaseRepresentation
bin10011111001101110000101
3100211001121001
4103321232011
52313422112
6303453301
762226241
oct23715605
910731531
105217157
112a43800
1218b7231
13110889a
1499b421
156d0c57
hex4f9b85

5217157 has 6 divisors (see below), whose sum is σ = 5734694. Its totient is φ = 4742760.

The previous prime is 5217143. The next prime is 5217169. The reversal of 5217157 is 7517125.

It can be written as a sum of positive squares in only one way, i.e., 4322241 + 894916 = 2079^2 + 946^2 .

It is not a de Polignac number, because 5217157 - 27 = 5217029 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 (5217257) 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, 21438 + ... + 21679.

Almost surely, 25217157 is an apocalyptic number.

It is an amenable number.

5217157 is a deficient number, since it is larger than the sum of its proper divisors (517537).

5217157 is a wasteful number, since it uses less digits than its factorization.

5217157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43139 (or 43128 counting only the distinct ones).

The product of its digits is 2450, while the sum is 28.

The square root of 5217157 is about 2284.1096733739. The cubic root of 5217157 is about 173.4381511812.

Subtracting 5217157 from its reverse (7517125), we obtain a cube (2299968 = 1323).

The spelling of 5217157 in words is "five million, two hundred seventeen thousand, one hundred fifty-seven".

Divisors: 1 11 121 43117 474287 5217157