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2229906708 = 223261941853
BaseRepresentation
bin1000010011101001…
…1010110100010100
312202101221222221100
42010322122310110
514031324003313
61005134350100
7106154615511
oct20472326424
95671858840
102229906708
11a447a6a07
1252295b330
13296ca3033
14172224308
15d0b78173
hex84e9ad14

2229906708 has 18 divisors (see below), whose sum is σ = 5636708714. Its totient is φ = 743302224.

The previous prime is 2229906703. The next prime is 2229906739. The reversal of 2229906708 is 8076099222.

It can be written as a sum of positive squares in only one way, i.e., 2213890704 + 16016004 = 47052^2 + 4002^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229906703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30970891 + ... + 30970962.

Almost surely, 22229906708 is an apocalyptic number.

It is an amenable number.

2229906708 is an abundant number, since it is smaller than the sum of its proper divisors (3406802006).

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

2229906708 is a wasteful number, since it uses less digits than its factorization.

2229906708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61941863 (or 61941858 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2229906708 is about 47221.8880181638. Note that the first 3 decimals coincide. The cubic root of 2229906708 is about 1306.4583371126.

The spelling of 2229906708 in words is "two billion, two hundred twenty-nine million, nine hundred six thousand, seven hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 61941853 123883706 185825559 247767412 371651118 557476677 743302236 1114953354 2229906708