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5143825 = 52613373
BaseRepresentation
bin10011100111110100010001
3100200100000001
4103213310101
52304100300
6302130001
761502401
oct23476421
910610001
105143825
1129a36a5
121880901
1310b13ab
1497c801
156b916a
hex4e7d11

5143825 has 12 divisors (see below), whose sum is σ = 6484828. Its totient is φ = 4046400.

The previous prime is 5143807. The next prime is 5143837. The reversal of 5143825 is 5283415.

It is a Cunningham number, because it is equal to 22682+1.

It can be written as a sum of positive squares in 6 ways, for example, as 54289 + 5089536 = 233^2 + 2256^2 .

It is not a de Polignac number, because 5143825 - 25 = 5143793 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5143793 and 5143802.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162 + ... + 3211.

Almost surely, 25143825 is an apocalyptic number.

It is an amenable number.

5143825 is a deficient number, since it is larger than the sum of its proper divisors (1341003).

5143825 is a wasteful number, since it uses less digits than its factorization.

5143825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444 (or 3439 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 5143825 is about 2268.0002204585. Note that the first 3 decimals coincide. The cubic root of 5143825 is about 172.6217022561.

The spelling of 5143825 in words is "five million, one hundred forty-three thousand, eight hundred twenty-five".

Divisors: 1 5 25 61 305 1525 3373 16865 84325 205753 1028765 5143825