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447117012 = 223229428273
BaseRepresentation
bin11010101001100…
…111011011010100
31011011022220020100
4122221213123110
51403430221022
6112211134100
714036301066
oct3251473324
91134286210
10447117012
1120a4276a1
121058a4330
137182a6a4
144354b736
15293be1ac
hex1aa676d4

447117012 has 36 divisors (see below), whose sum is σ = 1169188020. Its totient is φ = 143899392.

The previous prime is 447116959. The next prime is 447117031. The reversal of 447117012 is 210711744.

It can be written as a sum of positive squares in 2 ways, for example, as 124411716 + 322705296 = 11154^2 + 17964^2 .

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

It is a congruent number.

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, 213093 + ... + 215180.

It is an arithmetic number, because the mean of its divisors is an integer number (32477445).

Almost surely, 2447117012 is an apocalyptic number.

It is an amenable number.

447117012 is an abundant number, since it is smaller than the sum of its proper divisors (722071008).

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

447117012 is a wasteful number, since it uses less digits than its factorization.

447117012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428312 (or 428307 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 447117012 is about 21145.1415696372. The cubic root of 447117012 is about 764.6694355475.

Adding to 447117012 its reverse (210711744), we get a palindrome (657828756).

The spelling of 447117012 in words is "four hundred forty-seven million, one hundred seventeen thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 348 522 1044 428273 856546 1284819 1713092 2569638 3854457 5139276 7708914 12419917 15417828 24839834 37259751 49679668 74519502 111779253 149039004 223558506 447117012