Base | Representation |
---|---|
bin | 10001111010101… |
… | …00011111000101 |
3 | 101110210122102222 |
4 | 20331110133011 |
5 | 301433324141 |
6 | 22525142125 |
7 | 3503315216 |
oct | 1075243705 |
9 | 343718388 |
10 | 150292421 |
11 | 77921a14 |
12 | 423ba945 |
13 | 251a2036 |
14 | 15d6340d |
15 | d2db14b |
hex | 8f547c5 |
150292421 has 2 divisors, whose sum is σ = 150292422. Its totient is φ = 150292420.
The previous prime is 150292403. The next prime is 150292447. The reversal of 150292421 is 124292051.
It is an a-pointer prime, because the next prime (150292447) can be obtained adding 150292421 to its sum of digits (26).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 147889921 + 2402500 = 12161^2 + 1550^2 .
It is a cyclic number.
It is not a de Polignac number, because 150292421 - 210 = 150291397 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (150292321) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75146210 + 75146211.
It is an arithmetic number, because the mean of its divisors is an integer number (75146211).
Almost surely, 2150292421 is an apocalyptic number.
It is an amenable number.
150292421 is a deficient number, since it is larger than the sum of its proper divisors (1).
150292421 is an equidigital number, since it uses as much as digits as its factorization.
150292421 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1440, while the sum is 26.
The square root of 150292421 is about 12259.3809386934. The cubic root of 150292421 is about 531.6743312258.
The spelling of 150292421 in words is "one hundred fifty million, two hundred ninety-two thousand, four hundred twenty-one".
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