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5141821 = 12893989
BaseRepresentation
bin10011100111010100111101
3100200020020211
4103213110331
52304014241
6302112421
761463506
oct23472475
910606224
105141821
1129a2143
12187b711
1310b04c9
1497bbad
156b8781
hex4e753d

5141821 has 4 divisors (see below), whose sum is σ = 5147100. Its totient is φ = 5136544.

The previous prime is 5141819. The next prime is 5141831. The reversal of 5141821 is 1281415.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3348900 + 1792921 = 1830^2 + 1339^2 .

It is a cyclic number.

It is not a de Polignac number, because 5141821 - 21 = 5141819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5141792 and 5141801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5141831) 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, 706 + ... + 3283.

It is an arithmetic number, because the mean of its divisors is an integer number (1286775).

Almost surely, 25141821 is an apocalyptic number.

It is an amenable number.

5141821 is a deficient number, since it is larger than the sum of its proper divisors (5279).

5141821 is a wasteful number, since it uses less digits than its factorization.

5141821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278.

The product of its digits is 320, while the sum is 22.

The square root of 5141821 is about 2267.5583785208. The cubic root of 5141821 is about 172.5992819220.

The spelling of 5141821 in words is "five million, one hundred forty-one thousand, eight hundred twenty-one".

Divisors: 1 1289 3989 5141821