Base | Representation |
---|---|
bin | 10001000010001… |
… | …00100011111000 |
3 | 100221212102100001 |
4 | 20201010203320 |
5 | 243034342120 |
6 | 22102322344 |
7 | 3353343433 |
oct | 1041044370 |
9 | 327772301 |
10 | 142887160 |
11 | 73724269 |
12 | 3ba293b4 |
13 | 237ab520 |
14 | 14d9681a |
15 | c826e0a |
hex | 88448f8 |
142887160 has 32 divisors (see below), whose sum is σ = 346227840. Its totient is φ = 52758144.
The previous prime is 142887133. The next prime is 142887161. The reversal of 142887160 is 61788241.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142887161) 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, 136872 + ... + 137911.
It is an arithmetic number, because the mean of its divisors is an integer number (10819620).
Almost surely, 2142887160 is an apocalyptic number.
142887160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142887160 is an abundant number, since it is smaller than the sum of its proper divisors (203340680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142887160 is a wasteful number, since it uses less digits than its factorization.
142887160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 274807 (or 274803 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 37.
The square root of 142887160 is about 11953.5417345655. The cubic root of 142887160 is about 522.7945699780.
It can be divided in two parts, 1428 and 87160, that added together give a palindrome (88588).
The spelling of 142887160 in words is "one hundred forty-two million, eight hundred eighty-seven thousand, one hundred sixty".
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