Search a number
-
+
470444420 = 22599723593
BaseRepresentation
bin11100000010100…
…110100110000100
31012210020001102102
4130002212212010
51430413210140
6114403131232
714441466035
oct3402464604
91183201372
10470444420
1122160a946
12111673b18
13766074a4
14466a0a8c
152b47ae15
hex1c0a6984

470444420 has 24 divisors (see below), whose sum is σ = 988966104. Its totient is φ = 187981056.

The previous prime is 470444419. The next prime is 470444431. The reversal of 470444420 is 24444074.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34386496 + 436057924 = 5864^2 + 20882^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8144 + ... + 31736.

It is an arithmetic number, because the mean of its divisors is an integer number (41206921).

Almost surely, 2470444420 is an apocalyptic number.

It is an amenable number.

470444420 is an abundant number, since it is smaller than the sum of its proper divisors (518521684).

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

470444420 is a wasteful number, since it uses less digits than its factorization.

470444420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24599 (or 24597 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 29.

The square root of 470444420 is about 21689.7307498272. The cubic root of 470444420 is about 777.7429932894.

Adding to 470444420 its reverse (24444074), we get a palindrome (494888494).

The spelling of 470444420 in words is "four hundred seventy million, four hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 997 1994 3988 4985 9970 19940 23593 47186 94372 117965 235930 471860 23522221 47044442 94088884 117611105 235222210 470444420