Base | Representation |
---|---|
bin | 11000101110010… |
… | …10110010010000 |
3 | 112110021000102110 |
4 | 30113022302100 |
5 | 411043300310 |
6 | 32325145320 |
7 | 5065604646 |
oct | 1427126220 |
9 | 473230373 |
10 | 207400080 |
11 | a7087828 |
12 | 5955b240 |
13 | 33c78654 |
14 | 1d78b196 |
15 | 1331bd20 |
hex | c5cac90 |
207400080 has 40 divisors (see below), whose sum is σ = 642940992. Its totient is φ = 55306624.
The previous prime is 207400031. The next prime is 207400097. The reversal of 207400080 is 80004702.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431844 + ... + 432323.
Almost surely, 2207400080 is an apocalyptic number.
207400080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
207400080 is an abundant number, since it is smaller than the sum of its proper divisors (435540912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
207400080 is a wasteful number, since it uses less digits than its factorization.
207400080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 864183 (or 864177 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 21.
The square root of 207400080 is about 14401.3915994254. The cubic root of 207400080 is about 591.9290303285.
Adding to 207400080 its reverse (80004702), we get a palindrome (287404782).
The spelling of 207400080 in words is "two hundred seven million, four hundred thousand, eighty".
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