Search a number
-
+
415344420 = 223252307469
BaseRepresentation
bin11000110000011…
…010011100100100
31001221112200102200
4120300122130210
51322312010140
6105114134500
713202240451
oct3060323444
91057480380
10415344420
111a34a6457
12b7121430
136808493a
143d23a828
15266e5030
hex18c1a724

415344420 has 36 divisors (see below), whose sum is σ = 1259878620. Its totient is φ = 110758464.

The previous prime is 415344401. The next prime is 415344431. The reversal of 415344420 is 24443514.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50381604 + 364962816 = 7098^2 + 19104^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1153555 + ... + 1153914.

Almost surely, 2415344420 is an apocalyptic number.

It is an amenable number.

415344420 is an abundant number, since it is smaller than the sum of its proper divisors (844534200).

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

415344420 is a wasteful number, since it uses less digits than its factorization.

415344420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307484 (or 2307479 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 415344420 is about 20380.0004906771. Note that the first 3 decimals coincide. The cubic root of 415344420 is about 746.1098842177.

Adding to 415344420 its reverse (24443514), we get a palindrome (439787934).

It can be divided in two parts, 41534 and 4420, that added together give a palindrome (45954).

The spelling of 415344420 in words is "four hundred fifteen million, three hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 2307469 4614938 6922407 9229876 11537345 13844814 20767221 23074690 27689628 34612035 41534442 46149380 69224070 83068884 103836105 138448140 207672210 415344420