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5148841 = 17302873
BaseRepresentation
bin10011101001000010101001
3100200120212211
4103221002221
52304230331
6302205121
761523125
oct23510251
910616784
105148841
1129a7445
1218837a1
1310b3769
14980585
156ba8b1
hex4e90a9

5148841 has 4 divisors (see below), whose sum is σ = 5451732. Its totient is φ = 4845952.

The previous prime is 5148823. The next prime is 5148851. The reversal of 5148841 is 1488415.

5148841 = 16042 + 16052.

5148841 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1488415 = 5297683.

It can be written as a sum of positive squares in 2 ways, for example, as 2576025 + 2572816 = 1605^2 + 1604^2 .

It is not a de Polignac number, because 5148841 - 27 = 5148713 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5148851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151420 + ... + 151453.

It is an arithmetic number, because the mean of its divisors is an integer number (1362933).

Almost surely, 25148841 is an apocalyptic number.

5148841 is the 1605-th centered square number.

It is an amenable number.

5148841 is a deficient number, since it is larger than the sum of its proper divisors (302891).

5148841 is a wasteful number, since it uses less digits than its factorization.

5148841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302890.

The product of its digits is 5120, while the sum is 31.

The square root of 5148841 is about 2269.1057710032. The cubic root of 5148841 is about 172.6777947009.

It can be divided in two parts, 51488 and 41, that added together give a square (51529 = 2272).

The spelling of 5148841 in words is "five million, one hundred forty-eight thousand, eight hundred forty-one".

Divisors: 1 17 302873 5148841