Base | Representation |
---|---|
bin | 11000101101110… |
… | …01011101110100 |
3 | 112110010102010001 |
4 | 30112321131310 |
5 | 411034013030 |
6 | 32323441044 |
7 | 5065161064 |
oct | 1426713564 |
9 | 473112101 |
10 | 207329140 |
11 | a70394a7 |
12 | 59526184 |
13 | 33c52285 |
14 | 1d76d3a4 |
15 | 13305cca |
hex | c5b9774 |
207329140 has 48 divisors (see below), whose sum is σ = 459950400. Its totient is φ = 78285312.
The previous prime is 207329137. The next prime is 207329183. The reversal of 207329140 is 41923702.
It is a junction number, because it is equal to n+sod(n) for n = 207329099 and 207329108.
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, 127251 + ... + 128869.
It is an arithmetic number, because the mean of its divisors is an integer number (9582300).
Almost surely, 2207329140 is an apocalyptic number.
207329140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 207329140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229975200).
207329140 is an abundant number, since it is smaller than the sum of its proper divisors (252621260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
207329140 is a wasteful number, since it uses less digits than its factorization.
207329140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1984 (or 1982 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 28.
The square root of 207329140 is about 14398.9284323522. The cubic root of 207329140 is about 591.8615339966.
It can be divided in two parts, 2073 and 29140, that added together give a palindrome (31213).
The spelling of 207329140 in words is "two hundred seven million, three hundred twenty-nine thousand, one hundred forty".
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