Base | Representation |
---|---|
bin | 1111001010111100… |
… | …1100001110110100 |
3 | 101111211001020221221 |
4 | 3302233030032310 |
5 | 31320022112030 |
6 | 1512034520124 |
7 | 202630212613 |
oct | 36257141664 |
9 | 11454036857 |
10 | 4072457140 |
11 | 17aa883364 |
12 | 957a36044 |
13 | 4cb94076b |
14 | 2a8c1587a |
15 | 18c7d8e7a |
hex | f2bcc3b4 |
4072457140 has 12 divisors (see below), whose sum is σ = 8552160036. Its totient is φ = 1628982848.
The previous prime is 4072457111. The next prime is 4072457141. The reversal of 4072457140 is 417542704.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 3226694416 + 845762724 = 56804^2 + 29082^2 .
It is a junction number, because it is equal to n+sod(n) for n = 4072457096 and 4072457105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4072457141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101811409 + ... + 101811448.
It is an arithmetic number, because the mean of its divisors is an integer number (712680003).
Almost surely, 24072457140 is an apocalyptic number.
It is an amenable number.
4072457140 is an abundant number, since it is smaller than the sum of its proper divisors (4479702896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4072457140 is a wasteful number, since it uses less digits than its factorization.
4072457140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203622866 (or 203622864 counting only the distinct ones).
The product of its (nonzero) digits is 31360, while the sum is 34.
The square root of 4072457140 is about 63815.8063492110. The cubic root of 4072457140 is about 1596.9286313944.
Adding to 4072457140 its reverse (417542704), we get a palindrome (4489999844).
The spelling of 4072457140 in words is "four billion, seventy-two million, four hundred fifty-seven thousand, one hundred forty".
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