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4920009 = 38918427
BaseRepresentation
bin10010110001001011001001
3100020221222120
4102301023021
52224420014
6253241453
756551023
oct22611311
910227876
104920009
112860526
121793289
131033563
14921013
15672ba9
hex4b12c9

4920009 has 8 divisors (see below), whose sum is σ = 6634080. Its totient is φ = 3242976.

The previous prime is 4919989. The next prime is 4920023. The reversal of 4920009 is 9000294.

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

It is not a de Polignac number, because 4920009 - 25 = 4919977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4920059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8947 + ... + 9480.

It is an arithmetic number, because the mean of its divisors is an integer number (829260).

Almost surely, 24920009 is an apocalyptic number.

It is an amenable number.

4920009 is a deficient number, since it is larger than the sum of its proper divisors (1714071).

4920009 is a wasteful number, since it uses less digits than its factorization.

4920009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18519.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 4920009 is about 2218.1093300376. The cubic root of 4920009 is about 170.0808035706.

The spelling of 4920009 in words is "four million, nine hundred twenty thousand, nine".

Divisors: 1 3 89 267 18427 55281 1640003 4920009