Base | Representation |
---|---|
bin | 10010010001011… |
… | …11100111100011 |
3 | 101200102210102110 |
4 | 21020233213203 |
5 | 303220142024 |
6 | 23113250403 |
7 | 3540630165 |
oct | 1110574743 |
9 | 350383373 |
10 | 153287139 |
11 | 79587995 |
12 | 43403a03 |
13 | 259b0165 |
14 | 16502935 |
15 | d6cd629 |
hex | 922f9e3 |
153287139 has 12 divisors (see below), whose sum is σ = 206902856. Its totient is φ = 100946592.
The previous prime is 153287137. The next prime is 153287143. The reversal of 153287139 is 931782351.
It is not a de Polignac number, because 153287139 - 21 = 153287137 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 153287097 and 153287106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (153287137) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16959 + ... + 24375.
Almost surely, 2153287139 is an apocalyptic number.
153287139 is a deficient number, since it is larger than the sum of its proper divisors (53615717).
153287139 is an frugal number, since it uses more digits than its factorization.
153287139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7586 (or 7503 counting only the distinct ones).
The product of its digits is 45360, while the sum is 39.
The square root of 153287139 is about 12380.9183423525. The cubic root of 153287139 is about 535.1825027348.
The spelling of 153287139 in words is "one hundred fifty-three million, two hundred eighty-seven thousand, one hundred thirty-nine".
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