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5020921 = 19401659
BaseRepresentation
bin10011001001110011111001
3100110002102001
4103021303321
52241132141
6255341001
760451153
oct23116371
910402361
105020921
11291a324
121821761
13106a479
14949ad3
15692a31
hex4c9cf9

5020921 has 8 divisors (see below), whose sum is σ = 5306400. Its totient is φ = 4737600.

The previous prime is 5020909. The next prime is 5020943. The reversal of 5020921 is 1290205.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5020921 - 27 = 5020793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5020021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7290 + ... + 7948.

It is an arithmetic number, because the mean of its divisors is an integer number (663300).

Almost surely, 25020921 is an apocalyptic number.

It is an amenable number.

5020921 is a deficient number, since it is larger than the sum of its proper divisors (285479).

5020921 is a wasteful number, since it uses less digits than its factorization.

5020921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 5020921 is about 2240.7411720232. The cubic root of 5020921 is about 171.2357588456.

The spelling of 5020921 in words is "five million, twenty thousand, nine hundred twenty-one".

Divisors: 1 19 401 659 7619 12521 264259 5020921