Base | Representation |
---|---|
bin | 10001000000111… |
… | …00100110100000 |
3 | 100221120002211010 |
4 | 20200130212200 |
5 | 243014122423 |
6 | 22055020520 |
7 | 3352062315 |
oct | 1040344640 |
9 | 327502733 |
10 | 142723488 |
11 | 736222a6 |
12 | 3b96a740 |
13 | 23751b8b |
14 | 14d52d0c |
15 | c7e3693 |
hex | 881c9a0 |
142723488 has 48 divisors (see below), whose sum is σ = 381731616. Its totient is φ = 46675200.
The previous prime is 142723463. The next prime is 142723499. The reversal of 142723488 is 884327241.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×1427234882 = 40739988053772288, which contains 22 as substring.
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, 8938 + ... + 19113.
It is an arithmetic number, because the mean of its divisors is an integer number (7952742).
Almost surely, 2142723488 is an apocalyptic number.
It is an amenable number.
142723488 is an abundant number, since it is smaller than the sum of its proper divisors (239008128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142723488 is a wasteful number, since it uses less digits than its factorization.
142723488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28117 (or 28109 counting only the distinct ones).
The product of its digits is 86016, while the sum is 39.
The square root of 142723488 is about 11946.6936011601. The cubic root of 142723488 is about 522.5948797122.
The spelling of 142723488 in words is "one hundred forty-two million, seven hundred twenty-three thousand, four hundred eighty-eight".
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