Base | Representation |
---|---|
bin | 10001000010101… |
… | …10101001110110 |
3 | 100222000011222212 |
4 | 20201112221312 |
5 | 243044230040 |
6 | 22104053422 |
7 | 3354102464 |
oct | 1041265166 |
9 | 328004885 |
10 | 142961270 |
11 | 73774a11 |
12 | 3ba64272 |
13 | 2380618a |
14 | 14db5834 |
15 | c83dd65 |
hex | 8856a76 |
142961270 has 16 divisors (see below), whose sum is σ = 257791248. Its totient is φ = 57082080.
The previous prime is 142961267. The next prime is 142961293. The reversal of 142961270 is 72169241.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6809 + ... + 18228.
It is an arithmetic number, because the mean of its divisors is an integer number (16111953).
Almost surely, 2142961270 is an apocalyptic number.
142961270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142961270 is a deficient number, since it is larger than the sum of its proper divisors (114829978).
142961270 is a wasteful number, since it uses less digits than its factorization.
142961270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25615.
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 142961270 is about 11956.6412507861. The cubic root of 142961270 is about 522.8849387443.
The spelling of 142961270 in words is "one hundred forty-two million, nine hundred sixty-one thousand, two hundred seventy".
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