Base | Representation |
---|---|
bin | 111110001110100… |
… | …011010101011110 |
3 | 2200202110210201000 |
4 | 332032203111132 |
5 | 4114231032032 |
6 | 251332331130 |
7 | 34604605011 |
oct | 7616432536 |
9 | 2622423630 |
10 | 1044002142 |
11 | 496348297 |
12 | 251773aa6 |
13 | 1383a5561 |
14 | 9c923378 |
15 | 619c3e7c |
hex | 3e3a355e |
1044002142 has 32 divisors (see below), whose sum is σ = 2337730560. Its totient is φ = 345341880.
The previous prime is 1044002111. The next prime is 1044002149. The reversal of 1044002142 is 2412004401.
1044002142 is a `hidden beast` number, since 10 + 440 + 0 + 214 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1044002149) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66718 + ... + 80865.
It is an arithmetic number, because the mean of its divisors is an integer number (73054080).
Almost surely, 21044002142 is an apocalyptic number.
1044002142 is an abundant number, since it is smaller than the sum of its proper divisors (1293728418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1044002142 is a wasteful number, since it uses less digits than its factorization.
1044002142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147725 (or 147719 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The square root of 1044002142 is about 32311.0219894079. The cubic root of 1044002142 is about 1014.4573581916.
Adding to 1044002142 its reverse (2412004401), we get a palindrome (3456006543).
The spelling of 1044002142 in words is "one billion, forty-four million, two thousand, one hundred forty-two".
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