Base | Representation |
---|---|
bin | 1110011001111… |
… | …1000100011101 |
3 | 11012200200011220 |
4 | 3212133010131 |
5 | 110431423011 |
6 | 5555003553 |
7 | 1332364500 |
oct | 346370435 |
9 | 135620156 |
10 | 60420381 |
11 | 311187aa |
12 | 182995b9 |
13 | c696408 |
14 | 804b137 |
15 | 5487506 |
hex | 399f11d |
60420381 has 24 divisors (see below), whose sum is σ = 94419360. Its totient is φ = 34265952.
The previous prime is 60420341. The next prime is 60420383. The reversal of 60420381 is 18302406.
It is a happy number.
It is not a de Polignac number, because 60420381 - 217 = 60289309 is a prime.
It is a super-2 number, since 2×604203812 = 7301244880370322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (60420383) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18955 + ... + 21911.
It is an arithmetic number, because the mean of its divisors is an integer number (3934140).
Almost surely, 260420381 is an apocalyptic number.
It is an amenable number.
60420381 is a deficient number, since it is larger than the sum of its proper divisors (33998979).
60420381 is a wasteful number, since it uses less digits than its factorization.
60420381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3113 (or 3106 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 60420381 is about 7773.0548049014. The cubic root of 60420381 is about 392.3989348563.
Adding to 60420381 its reverse (18302406), we get a palindrome (78722787).
The spelling of 60420381 in words is "sixty million, four hundred twenty thousand, three hundred eighty-one".
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