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5214921 = 31738307
BaseRepresentation
bin10011111001001011001001
3100210221112020
4103321023021
52313334141
6303435053
762216565
oct23711311
910727466
105214921
112a42058
1218b5a89
13110786a
1499a6a5
156d0266
hex4f92c9

5214921 has 4 divisors (see below), whose sum is σ = 6953232. Its totient is φ = 3476612.

The previous prime is 5214919. The next prime is 5214929. The reversal of 5214921 is 1294125.

5214921 is digitally balanced in base 3 and base 4, because in such bases 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5214921 - 21 = 5214919 is a prime.

It is a D-number.

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 = 5214891 and 5214900.

It is not an unprimeable number, because it can be changed into a prime (5214929) 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, 869151 + ... + 869156.

It is an arithmetic number, because the mean of its divisors is an integer number (1738308).

Almost surely, 25214921 is an apocalyptic number.

It is an amenable number.

5214921 is a deficient number, since it is larger than the sum of its proper divisors (1738311).

5214921 is a wasteful number, since it uses less digits than its factorization.

5214921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738310.

The product of its digits is 720, while the sum is 24.

The square root of 5214921 is about 2283.6201523020. The cubic root of 5214921 is about 173.4133699244.

The spelling of 5214921 in words is "five million, two hundred fourteen thousand, nine hundred twenty-one".

Divisors: 1 3 1738307 5214921