Search a number
-
+
420224485 = 5264731751
BaseRepresentation
bin11001000011000…
…001110111100101
31002021201121121211
4121003001313211
51330034140420
6105410511421
713261564162
oct3103016745
91067647554
10420224485
111a622996a
12b8895571
13690a2c55
143db4b069
1526d5ae5a
hex190c1de5

420224485 has 8 divisors (see below), whose sum is σ = 504475776. Its totient is φ = 336042000.

The previous prime is 420224449. The next prime is 420224489. The reversal of 420224485 is 584422024.

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

It is not a de Polignac number, because 420224485 - 223 = 411835877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420224489) 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, 2641 + ... + 29110.

It is an arithmetic number, because the mean of its divisors is an integer number (63059472).

Almost surely, 2420224485 is an apocalyptic number.

It is an amenable number.

420224485 is a deficient number, since it is larger than the sum of its proper divisors (84251291).

420224485 is a wasteful number, since it uses less digits than its factorization.

420224485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34403.

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 420224485 is about 20499.3776734807. The cubic root of 420224485 is about 749.0206387290.

The spelling of 420224485 in words is "four hundred twenty million, two hundred twenty-four thousand, four hundred eighty-five".

Divisors: 1 5 2647 13235 31751 158755 84044897 420224485