Base | Representation |
---|---|
bin | 11010101010111… |
… | …111100100111010 |
3 | 1011012000020112000 |
4 | 122222333210322 |
5 | 1404023244244 |
6 | 112223001430 |
7 | 14042333541 |
oct | 3252774472 |
9 | 1135006460 |
10 | 447478074 |
11 | 20a65399a |
12 | 105a39276 |
13 | 71925b34 |
14 | 43603158 |
15 | 29441169 |
hex | 1aabf93a |
447478074 has 32 divisors (see below), whose sum is σ = 1021275840. Its totient is φ = 145127376.
The previous prime is 447478069. The next prime is 447478123. The reversal of 447478074 is 470874744.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109984 + ... + 113979.
It is an arithmetic number, because the mean of its divisors is an integer number (31914870).
Almost surely, 2447478074 is an apocalyptic number.
447478074 is an abundant number, since it is smaller than the sum of its proper divisors (573797766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
447478074 is a wasteful number, since it uses less digits than its factorization.
447478074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 224011 (or 224005 counting only the distinct ones).
The product of its (nonzero) digits is 702464, while the sum is 45.
The square root of 447478074 is about 21153.6775526148. The cubic root of 447478074 is about 764.8752122484.
The spelling of 447478074 in words is "four hundred forty-seven million, four hundred seventy-eight thousand, seventy-four".
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