Base | Representation |
---|---|
bin | 101011111100110… |
… | …0111000110001111 |
3 | 10210202221112201120 |
4 | 1113321213012033 |
5 | 11010012021033 |
6 | 402200212023 |
7 | 51354625431 |
oct | 12771470617 |
9 | 3722845646 |
10 | 1474720143 |
11 | 697494086 |
12 | 351a6a013 |
13 | 1a66b0890 |
14 | ddc02651 |
15 | 897041b3 |
hex | 57e6718f |
1474720143 has 16 divisors (see below), whose sum is σ = 2126648160. Its totient is φ = 903619584.
The previous prime is 1474720111. The next prime is 1474720147. The reversal of 1474720143 is 3410274741.
It is not a de Polignac number, because 1474720143 - 25 = 1474720111 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1474720147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72058 + ... + 90231.
It is an arithmetic number, because the mean of its divisors is an integer number (132915510).
Almost surely, 21474720143 is an apocalyptic number.
1474720143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1474720143 is a deficient number, since it is larger than the sum of its proper divisors (651928017).
1474720143 is a wasteful number, since it uses less digits than its factorization.
1474720143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162538.
The product of its (nonzero) digits is 18816, while the sum is 33.
The square root of 1474720143 is about 38402.0851387005. The cubic root of 1474720143 is about 1138.2470604855.
Adding to 1474720143 its reverse (3410274741), we get a palindrome (4884994884).
The spelling of 1474720143 in words is "one billion, four hundred seventy-four million, seven hundred twenty thousand, one hundred forty-three".
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