Base | Representation |
---|---|
bin | 10000111110111… |
… | …11010011011000 |
3 | 100221002100101212 |
4 | 20133133103120 |
5 | 242433104113 |
6 | 22045402252 |
7 | 3346665311 |
oct | 1037372330 |
9 | 327070355 |
10 | 142472408 |
11 | 734706a1 |
12 | 3b869388 |
13 | 23694800 |
14 | 14cc9608 |
15 | c7940a8 |
hex | 87df4d8 |
142472408 has 24 divisors (see below), whose sum is σ = 289268100. Its totient is φ = 65755872.
The previous prime is 142472399. The next prime is 142472411. The reversal of 142472408 is 804274241.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51338 + ... + 54041.
Almost surely, 2142472408 is an apocalyptic number.
It is an amenable number.
142472408 is an abundant number, since it is smaller than the sum of its proper divisors (146795692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142472408 is a wasteful number, since it uses less digits than its factorization.
142472408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105411 (or 105394 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 32.
The square root of 142472408 is about 11936.1806286601. The cubic root of 142472408 is about 522.2882491705.
The spelling of 142472408 in words is "one hundred forty-two million, four hundred seventy-two thousand, four hundred eight".
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