Base | Representation |
---|---|
bin | 1110011101010… |
… | …1001011100100 |
3 | 11020002221012202 |
4 | 3213111023210 |
5 | 111011021040 |
6 | 10003434032 |
7 | 1334306615 |
oct | 347251344 |
9 | 136087182 |
10 | 60642020 |
11 | 3125a27a |
12 | 18385918 |
13 | c74326a |
14 | 80a7c0c |
15 | 54cd015 |
hex | 39d52e4 |
60642020 has 24 divisors (see below), whose sum is σ = 127526784. Its totient is φ = 24222816.
The previous prime is 60642013. The next prime is 60642037. The reversal of 60642020 is 2024606.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 60641983 and 60642001.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16469 + ... + 19811.
It is an arithmetic number, because the mean of its divisors is an integer number (5313616).
Almost surely, 260642020 is an apocalyptic number.
It is an amenable number.
60642020 is an abundant number, since it is smaller than the sum of its proper divisors (66884764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
60642020 is a wasteful number, since it uses less digits than its factorization.
60642020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4259 (or 4257 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 60642020 is about 7787.2986330306. The cubic root of 60642020 is about 392.8781593479.
Adding to 60642020 its reverse (2024606), we get a palindrome (62666626).
The spelling of 60642020 in words is "sixty million, six hundred forty-two thousand, twenty".
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