Search a number
-
+
3405254220 = 2232518918079
BaseRepresentation
bin1100101011111000…
…0000111001001100
322210022120211121200
43022332000321030
523433221113340
61321522225500
7150246116604
oct31276007114
98708524550
103405254220
1114981a4995
127b04b5290
13423645534
14244377c04
1514de44330
hexcaf80e4c

3405254220 has 36 divisors (see below), whose sum is σ = 10329271680. Its totient is φ = 908067744.

The previous prime is 3405254191. The next prime is 3405254227. The reversal of 3405254220 is 224525043.

It is a happy number.

3405254220 is a `hidden beast` number, since 3 + 405 + 254 + 2 + 2 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (3405254227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9458860 + ... + 9459219.

Almost surely, 23405254220 is an apocalyptic number.

3405254220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3405254220 is an abundant number, since it is smaller than the sum of its proper divisors (6924017460).

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

3405254220 is a wasteful number, since it uses less digits than its factorization.

3405254220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18918094 (or 18918089 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 3405254220 is about 58354.5561203236. The cubic root of 3405254220 is about 1504.4687801152.

Adding to 3405254220 its reverse (224525043), we get a palindrome (3629779263).

The spelling of 3405254220 in words is "three billion, four hundred five million, two hundred fifty-four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 18918079 37836158 56754237 75672316 94590395 113508474 170262711 189180790 227016948 283771185 340525422 378361580 567542370 681050844 851313555 1135084740 1702627110 3405254220