Base | Representation |
---|---|
bin | 10001000011011… |
… | …11001111010010 |
3 | 100222012022010111 |
4 | 20201233033102 |
5 | 243110440340 |
6 | 22110151534 |
7 | 3355002202 |
oct | 1041571722 |
9 | 328168114 |
10 | 143061970 |
11 | 73833637 |
12 | 3bab25aa |
13 | 2383cc6c |
14 | 15000402 |
15 | c85daea |
hex | 886f3d2 |
143061970 has 16 divisors (see below), whose sum is σ = 272659608. Its totient is φ = 53858560.
The previous prime is 143061967. The next prime is 143061973. The reversal of 143061970 is 79160341.
It is a happy number.
143061970 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (143061967) and next prime (143061973).
It can be written as a sum of positive squares in 4 ways, for example, as 130804969 + 12257001 = 11437^2 + 3501^2 .
It is not an unprimeable number, because it can be changed into a prime (143061973) 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, 420601 + ... + 420940.
Almost surely, 2143061970 is an apocalyptic number.
143061970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
143061970 is a deficient number, since it is larger than the sum of its proper divisors (129597638).
143061970 is a wasteful number, since it uses less digits than its factorization.
143061970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 841565.
The product of its (nonzero) digits is 4536, while the sum is 31.
The square root of 143061970 is about 11960.8515583131. The cubic root of 143061970 is about 523.0076809740.
The spelling of 143061970 in words is "one hundred forty-three million, sixty-one thousand, nine hundred seventy".
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