Base | Representation |
---|---|
bin | 10000001111011… |
… | …001001100101110 |
3 | 200222200221201020 |
4 | 100033121030232 |
5 | 1024223031310 |
6 | 43011555010 |
7 | 6515651412 |
oct | 2017311456 |
9 | 628627636 |
10 | 272470830 |
11 | 12a891405 |
12 | 772bba66 |
13 | 445ac658 |
14 | 28288d42 |
15 | 18dc2170 |
hex | 103d932e |
272470830 has 128 divisors (see below), whose sum is σ = 718502400. Its totient is φ = 65894400.
The previous prime is 272470829. The next prime is 272470837. The reversal of 272470830 is 38074272.
It is a junction number, because it is equal to n+sod(n) for n = 272470791 and 272470800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (272470837) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2079865 + ... + 2079995.
It is an arithmetic number, because the mean of its divisors is an integer number (5613300).
Almost surely, 2272470830 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 272470830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359251200).
272470830 is an abundant number, since it is smaller than the sum of its proper divisors (446031570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
272470830 is a wasteful number, since it uses less digits than its factorization.
272470830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 290.
The product of its (nonzero) digits is 18816, while the sum is 33.
The square root of 272470830 is about 16506.6904617491. The cubic root of 272470830 is about 648.2959943662.
The spelling of 272470830 in words is "two hundred seventy-two million, four hundred seventy thousand, eight hundred thirty".
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