Base | Representation |
---|---|
bin | 1110010101111… |
… | …1110110100000 |
3 | 11012012111222111 |
4 | 3211133312200 |
5 | 110400131230 |
6 | 5545245104 |
7 | 1330235533 |
oct | 345376640 |
9 | 135174874 |
10 | 60161440 |
11 | 30a611a9 |
12 | 18193794 |
13 | c6055b1 |
14 | 7dc0a1a |
15 | 543592a |
hex | 395fda0 |
60161440 has 24 divisors (see below), whose sum is σ = 142131780. Its totient is φ = 24064512.
The previous prime is 60161411. The next prime is 60161443. The reversal of 60161440 is 4416106.
It can be written as a sum of positive squares in 2 ways, for example, as 59660176 + 501264 = 7724^2 + 708^2 .
It is not an unprimeable number, because it can be changed into a prime (60161443) 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, 187845 + ... + 188164.
Almost surely, 260161440 is an apocalyptic number.
It is an amenable number.
60161440 is an abundant number, since it is smaller than the sum of its proper divisors (81970340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
60161440 is a wasteful number, since it uses less digits than its factorization.
60161440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 376024 (or 376016 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 60161440 is about 7756.3805992228. The cubic root of 60161440 is about 391.8375697999.
Adding to 60161440 its reverse (4416106), we get a palindrome (64577546).
The spelling of 60161440 in words is "sixty million, one hundred sixty-one thousand, four hundred forty".
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