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5216523 = 313210289
BaseRepresentation
bin10011111001100100001011
3100211000201120
4103321210023
52313412043
6303450323
762224344
oct23714413
910730646
105216523
112a43284
1218b69a3
131108500
1499b0cb
156d0983
hex4f990b

5216523 has 12 divisors (see below), whose sum is σ = 7532280. Its totient is φ = 3209856.

The previous prime is 5216521. The next prime is 5216567. The reversal of 5216523 is 3256125.

5216523 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5216523 - 21 = 5216521 is a prime.

It is a super-2 number, since 2×52165232 = 54424224419058, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 5216493 and 5216502.

It is not an unprimeable number, because it can be changed into a prime (5216521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4638 + ... + 5651.

It is an arithmetic number, because the mean of its divisors is an integer number (627690).

Almost surely, 25216523 is an apocalyptic number.

5216523 is a deficient number, since it is larger than the sum of its proper divisors (2315757).

5216523 is a wasteful number, since it uses less digits than its factorization.

5216523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10318 (or 10305 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 5216523 is about 2283.9708842277. The cubic root of 5216523 is about 173.4311253724.

The spelling of 5216523 in words is "five million, two hundred sixteen thousand, five hundred twenty-three".

Divisors: 1 3 13 39 169 507 10289 30867 133757 401271 1738841 5216523