Base | Representation |
---|---|
bin | 1011001111000… |
… | …0001000000100 |
3 | 10021122222201112 |
4 | 2303300020010 |
5 | 44030332100 |
6 | 4401544152 |
7 | 1111343501 |
oct | 263601004 |
9 | 107588645 |
10 | 47120900 |
11 | 246646a2 |
12 | 13945058 |
13 | 99baab8 |
14 | 63884a8 |
15 | 420bb35 |
hex | 2cf0204 |
47120900 has 18 divisors (see below), whose sum is σ = 102252570. Its totient is φ = 18848320.
The previous prime is 47120891. The next prime is 47120903. The reversal of 47120900 is 902174.
It can be written as a sum of positive squares in 3 ways, for example, as 33856 + 47087044 = 184^2 + 6862^2 .
It is not an unprimeable number, because it can be changed into a prime (47120903) 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, 235505 + ... + 235704.
Almost surely, 247120900 is an apocalyptic number.
It is an amenable number.
47120900 is an abundant number, since it is smaller than the sum of its proper divisors (55131670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47120900 is a wasteful number, since it uses less digits than its factorization.
47120900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 471223 (or 471216 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 23.
The square root of 47120900 is about 6864.4664759907. The cubic root of 47120900 is about 361.1917807066.
The spelling of 47120900 in words is "forty-seven million, one hundred twenty thousand, nine hundred".
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