Search a number
-
+
4209980 = 225210499
BaseRepresentation
bin10000000011110100111100
321220220000012
4100003310330
52034204410
6230122352
750532665
oct20036474
97826005
104209980
112416025
1214b03b8
13b45318
147b836c
15582605
hex403d3c

4209980 has 12 divisors (see below), whose sum is σ = 8841000. Its totient is φ = 1683984.

The previous prime is 4209979. The next prime is 4209991. The reversal of 4209980 is 899024.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105230 + ... + 105269.

It is an arithmetic number, because the mean of its divisors is an integer number (736750).

Almost surely, 24209980 is an apocalyptic number.

It is an amenable number.

4209980 is an abundant number, since it is smaller than the sum of its proper divisors (4631020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4209980 is a wasteful number, since it uses less digits than its factorization.

4209980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210508 (or 210506 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 4209980 is about 2051.8235791607. The cubic root of 4209980 is about 161.4705573078.

The spelling of 4209980 in words is "four million, two hundred nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 210499 420998 841996 1052495 2104990 4209980