Base | Representation |
---|---|
bin | 10000111111001… |
… | …00101100011100 |
3 | 100221010110200210 |
4 | 20133210230130 |
5 | 242434310432 |
6 | 22050052420 |
7 | 3350116560 |
oct | 1037445434 |
9 | 327113623 |
10 | 142494492 |
11 | 73486248 |
12 | 3b87a110 |
13 | 236a188a |
14 | 14cd36a0 |
15 | c79a8cc |
hex | 87e4b1c |
142494492 has 24 divisors (see below), whose sum is σ = 379985536. Its totient is φ = 40712688.
The previous prime is 142494491. The next prime is 142494497. The reversal of 142494492 is 294494241.
142494492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 142494492.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142494491) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848098 + ... + 848265.
Almost surely, 2142494492 is an apocalyptic number.
142494492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
142494492 is an abundant number, since it is smaller than the sum of its proper divisors (237491044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142494492 is a wasteful number, since it uses less digits than its factorization.
142494492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1696377 (or 1696375 counting only the distinct ones).
The product of its digits is 82944, while the sum is 39.
The square root of 142494492 is about 11937.1056793513. The cubic root of 142494492 is about 522.3152336183.
The spelling of 142494492 in words is "one hundred forty-two million, four hundred ninety-four thousand, four hundred ninety-two".
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