Base | Representation |
---|---|
bin | 10000111101101… |
… | …01101100111111 |
3 | 100220202200200000 |
4 | 20132311230333 |
5 | 242412131030 |
6 | 22042005343 |
7 | 3345355452 |
oct | 1036655477 |
9 | 326680600 |
10 | 142302015 |
11 | 73364679 |
12 | 3b7a6853 |
13 | 2363509b |
14 | 14c83499 |
15 | c75d860 |
hex | 87b5b3f |
142302015 has 48 divisors (see below), whose sum is σ = 257650848. Its totient is φ = 75344256.
The previous prime is 142301911. The next prime is 142302023. The reversal of 142302015 is 510203241.
It is not a de Polignac number, because 142302015 - 211 = 142299967 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 209857 + ... + 210533.
It is an arithmetic number, because the mean of its divisors is an integer number (5367726).
Almost surely, 2142302015 is an apocalyptic number.
142302015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
142302015 is a deficient number, since it is larger than the sum of its proper divisors (115348833).
142302015 is an equidigital number, since it uses as much as digits as its factorization.
142302015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 870 (or 858 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 142302015 is about 11929.0408248107. The cubic root of 142302015 is about 522.0799520817.
Adding to 142302015 its reverse (510203241), we get a palindrome (652505256).
It can be divided in two parts, 1 and 42302015, that added together give a square (42302016 = 65042).
The spelling of 142302015 in words is "one hundred forty-two million, three hundred two thousand, fifteen".
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