Base | Representation |
---|---|
bin | 10001001011101… |
… | …10111101101110 |
3 | 101001020011220122 |
4 | 20211312331232 |
5 | 243400022230 |
6 | 22145244542 |
7 | 3400121423 |
oct | 1045667556 |
9 | 331204818 |
10 | 144142190 |
11 | 74401185 |
12 | 40333752 |
13 | 23b2a84a |
14 | 15201d4a |
15 | c9c3be5 |
hex | 8976f6e |
144142190 has 16 divisors (see below), whose sum is σ = 260418240. Its totient is φ = 57443040.
The previous prime is 144142181. The next prime is 144142211. The reversal of 144142190 is 91241441.
It is a super-2 number, since 2×1441421902 = 41553941875992200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23885 + ... + 29304.
It is an arithmetic number, because the mean of its divisors is an integer number (16276140).
Almost surely, 2144142190 is an apocalyptic number.
144142190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144142190 is a deficient number, since it is larger than the sum of its proper divisors (116276050).
144142190 is a wasteful number, since it uses less digits than its factorization.
144142190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53467.
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 144142190 is about 12005.9231215263. The cubic root of 144142190 is about 524.3207420978.
The spelling of 144142190 in words is "one hundred forty-four million, one hundred forty-two thousand, one hundred ninety".
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