Base | Representation |
---|---|
bin | 11000101110111… |
… | …00100010010110 |
3 | 112110101201011102 |
4 | 30113130202112 |
5 | 411103112130 |
6 | 32330510102 |
7 | 5066326640 |
oct | 1427344226 |
9 | 473351142 |
10 | 207472790 |
11 | a7127418 |
12 | 59595332 |
13 | 33ca2785 |
14 | 1d7a9890 |
15 | 13333645 |
hex | c5dc896 |
207472790 has 32 divisors (see below), whose sum is σ = 429891840. Its totient is φ = 70618464.
The previous prime is 207472747. The next prime is 207472817. The reversal of 207472790 is 97274702.
207472790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent 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, 932 + ... + 20391.
It is an arithmetic number, because the mean of its divisors is an integer number (13434120).
Almost surely, 2207472790 is an apocalyptic number.
207472790 is an abundant number, since it is smaller than the sum of its proper divisors (222419050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
207472790 is a wasteful number, since it uses less digits than its factorization.
207472790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21476.
The product of its (nonzero) digits is 49392, while the sum is 38.
The square root of 207472790 is about 14403.9157870351. The cubic root of 207472790 is about 591.9981947687.
The spelling of 207472790 in words is "two hundred seven million, four hundred seventy-two thousand, seven hundred ninety".
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