Base | Representation |
---|---|
bin | 10000111111100… |
… | …11011000000110 |
3 | 100221020112012010 |
4 | 20133303120012 |
5 | 242443222010 |
6 | 22051235050 |
7 | 3350460111 |
oct | 1037633006 |
9 | 327215163 |
10 | 142554630 |
11 | 73517449 |
12 | 3b8a8a86 |
13 | 236c306a |
14 | 14d0b578 |
15 | c7ad620 |
hex | 87f3606 |
142554630 has 32 divisors (see below), whose sum is σ = 348590304. Its totient is φ = 37296896.
The previous prime is 142554623. The next prime is 142554649. The reversal of 142554630 is 36455241.
142554630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 43239 + ... + 46418.
It is an arithmetic number, because the mean of its divisors is an integer number (10893447).
Almost surely, 2142554630 is an apocalyptic number.
142554630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142554630 is an abundant number, since it is smaller than the sum of its proper divisors (206035674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142554630 is a wasteful number, since it uses less digits than its factorization.
142554630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89720.
The product of its (nonzero) digits is 14400, while the sum is 30.
The square root of 142554630 is about 11939.6243659505. The cubic root of 142554630 is about 522.3887021322.
The spelling of 142554630 in words is "one hundred forty-two million, five hundred fifty-four thousand, six hundred thirty".
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