Base | Representation |
---|---|
bin | 10000111100100… |
… | …01111011001100 |
3 | 100220111020122100 |
4 | 20132101323030 |
5 | 242342433333 |
6 | 22034515100 |
7 | 3344205300 |
oct | 1036217314 |
9 | 326436570 |
10 | 142155468 |
11 | 73274564 |
12 | 3b735a90 |
13 | 235b3480 |
14 | 14c45d00 |
15 | c730213 |
hex | 8791ecc |
142155468 has 108 divisors (see below), whose sum is σ = 450231600. Its totient is φ = 37485504.
The previous prime is 142155467. The next prime is 142155499. The reversal of 142155468 is 864551241.
It is a happy number.
142155468 is a `hidden beast` number, since 1 + 42 + 1 + 554 + 68 = 666.
142155468 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 (36).
It is not an unprimeable number, because it can be changed into a prime (142155467) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19833 + ... + 26031.
Almost surely, 2142155468 is an apocalyptic number.
142155468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142155468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225115800).
142155468 is an abundant number, since it is smaller than the sum of its proper divisors (308076132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142155468 is a wasteful number, since it uses less digits than its factorization.
142155468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6236 (or 6224 counting only the distinct ones).
The product of its digits is 38400, while the sum is 36.
The square root of 142155468 is about 11922.8967956617. The cubic root of 142155468 is about 521.9006725177.
It can be divided in two parts, 14215 and 5468, that added together give a 9-th power (19683 = 39).
The spelling of 142155468 in words is "one hundred forty-two million, one hundred fifty-five thousand, four hundred sixty-eight".
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