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5217131 = 83239263
BaseRepresentation
bin10011111001101101101011
3100211001120002
4103321231223
52313422011
6303453215
762226203
oct23715553
910731502
105217131
112a43787
1218b720b
13110887a
1499b403
156d0c3b
hex4f9b6b

5217131 has 8 divisors (see below), whose sum is σ = 5322240. Its totient is φ = 5113192.

The previous prime is 5217101. The next prime is 5217133. The reversal of 5217131 is 1317125.

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 5217131 - 218 = 4954987 is a prime.

It is a super-2 number, since 2×52171312 = 54436911742322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5217133) 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, 19706 + ... + 19968.

It is an arithmetic number, because the mean of its divisors is an integer number (665280).

Almost surely, 25217131 is an apocalyptic number.

5217131 is a deficient number, since it is larger than the sum of its proper divisors (105109).

5217131 is a wasteful number, since it uses less digits than its factorization.

5217131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585.

The product of its digits is 210, while the sum is 20.

The square root of 5217131 is about 2284.1039818712. The cubic root of 5217131 is about 173.4378630677.

It can be divided in two parts, 52171 and 31, that multiplied together give a triangular number (1617301 = T1798).

The spelling of 5217131 in words is "five million, two hundred seventeen thousand, one hundred thirty-one".

Divisors: 1 83 239 263 19837 21829 62857 5217131