Base | Representation |
---|---|
bin | 101010111110101… |
… | …1100010100100011 |
3 | 10201111200211112011 |
4 | 1111331130110203 |
5 | 10423143421042 |
6 | 355034413351 |
7 | 50511146455 |
oct | 12575342443 |
9 | 3644624464 |
10 | 1442170147 |
11 | 680081860 |
12 | 342b91257 |
13 | 19ca25022 |
14 | d976c2d5 |
15 | 86924a17 |
hex | 55f5c523 |
1442170147 has 8 divisors (see below), whose sum is σ = 1573558272. Its totient is φ = 1310829000.
The previous prime is 1442170097. The next prime is 1442170157. The reversal of 1442170147 is 7410712441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1442170147 - 215 = 1442137379 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1442170157) by changing a digit.
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, 93498 + ... + 107824.
It is an arithmetic number, because the mean of its divisors is an integer number (196694784).
Almost surely, 21442170147 is an apocalyptic number.
1442170147 is a deficient number, since it is larger than the sum of its proper divisors (131388125).
1442170147 is a wasteful number, since it uses less digits than its factorization.
1442170147 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23489.
The product of its (nonzero) digits is 6272, while the sum is 31.
The square root of 1442170147 is about 37975.9153543400. The cubic root of 1442170147 is about 1129.8102239581.
Adding to 1442170147 its reverse (7410712441), we get a palindrome (8852882588).
The spelling of 1442170147 in words is "one billion, four hundred forty-two million, one hundred seventy thousand, one hundred forty-seven".
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