Base | Representation |
---|---|
bin | 10001000000001… |
… | …01111011011100 |
3 | 100221101101102120 |
4 | 20200011323130 |
5 | 243003134440 |
6 | 22053022540 |
7 | 3351224466 |
oct | 1040057334 |
9 | 327341376 |
10 | 142630620 |
11 | 73569550 |
12 | 3b924a50 |
13 | 2371b822 |
14 | 14d2b136 |
15 | c7c5dd0 |
hex | 8805edc |
142630620 has 48 divisors (see below), whose sum is σ = 435673728. Its totient is φ = 34576960.
The previous prime is 142630619. The next prime is 142630639. The reversal of 142630620 is 26036241.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107394 + ... + 108713.
It is an arithmetic number, because the mean of its divisors is an integer number (9076536).
Almost surely, 2142630620 is an apocalyptic number.
142630620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142630620 is an abundant number, since it is smaller than the sum of its proper divisors (293043108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142630620 is a wasteful number, since it uses less digits than its factorization.
142630620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216130 (or 216128 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 142630620 is about 11942.8062028989. The cubic root of 142630620 is about 522.4815069422.
Adding to 142630620 its reverse (26036241), we get a palindrome (168666861).
The spelling of 142630620 in words is "one hundred forty-two million, six hundred thirty thousand, six hundred twenty".
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