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5050921 = 17297113
BaseRepresentation
bin10011010001001000101001
3100111121120011
4103101020221
52243112141
6300131521
760634501
oct23211051
910447504
105050921
11293a917
121836ba1
13107b015
14956a01
1569b881
hex4d1229

5050921 has 4 divisors (see below), whose sum is σ = 5348052. Its totient is φ = 4753792.

The previous prime is 5050919. The next prime is 5050937. The reversal of 5050921 is 1290505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1290505 = 5258101.

It can be written as a sum of positive squares in 2 ways, for example, as 3463321 + 1587600 = 1861^2 + 1260^2 .

It is a cyclic number.

It is not a de Polignac number, because 5050921 - 21 = 5050919 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5050892 and 5050901.

It is not an unprimeable number, because it can be changed into a prime (5050021) 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, 148540 + ... + 148573.

It is an arithmetic number, because the mean of its divisors is an integer number (1337013).

Almost surely, 25050921 is an apocalyptic number.

It is an amenable number.

5050921 is a deficient number, since it is larger than the sum of its proper divisors (297131).

5050921 is a wasteful number, since it uses less digits than its factorization.

5050921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297130.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 5050921 is about 2247.4254158926. The cubic root of 5050921 is about 171.5761263636.

The spelling of 5050921 in words is "five million, fifty thousand, nine hundred twenty-one".

Divisors: 1 17 297113 5050921