Base | Representation |
---|---|
bin | 1010001011100010… |
… | …1001110100111101 |
3 | 21001110011121111110 |
4 | 2202320221310331 |
5 | 21044041313011 |
6 | 1131100312233 |
7 | 124502036301 |
oct | 24270516475 |
9 | 7043147443 |
10 | 2732760381 |
11 | 118263235a |
12 | 643242679 |
13 | 347216ca0 |
14 | 1bcd1dd01 |
15 | 10eda6ba6 |
hex | a2e29d3d |
2732760381 has 32 divisors (see below), whose sum is σ = 4034770432. Its totient is φ = 1634592960.
The previous prime is 2732760361. The next prime is 2732760403. The reversal of 2732760381 is 1830672372.
It is a de Polignac number, because none of the positive numbers 2k-2732760381 is a prime.
It is a super-2 number, since 2×27327603812 = 14935958599926530322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2732760301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349986 + ... + 357708.
It is an arithmetic number, because the mean of its divisors is an integer number (126086576).
Almost surely, 22732760381 is an apocalyptic number.
It is an amenable number.
2732760381 is a deficient number, since it is larger than the sum of its proper divisors (1302010051).
2732760381 is a wasteful number, since it uses less digits than its factorization.
2732760381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7993.
The product of its (nonzero) digits is 84672, while the sum is 39.
The square root of 2732760381 is about 52275.8106680327. The cubic root of 2732760381 is about 1398.0858843351.
The spelling of 2732760381 in words is "two billion, seven hundred thirty-two million, seven hundred sixty thousand, three hundred eighty-one".
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