Base | Representation |
---|---|
bin | 10010000011001… |
… | …00011001000101 |
3 | 101112220020012011 |
4 | 21001210121011 |
5 | 302224444044 |
6 | 23005054221 |
7 | 3515634226 |
oct | 1101443105 |
9 | 345806164 |
10 | 151406149 |
11 | 78512754 |
12 | 42857371 |
13 | 254a1c4b |
14 | 1617324d |
15 | d45b134 |
hex | 9064645 |
151406149 has 2 divisors, whose sum is σ = 151406150. Its totient is φ = 151406148.
The previous prime is 151406147. The next prime is 151406159. The reversal of 151406149 is 941604151.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 148230625 + 3175524 = 12175^2 + 1782^2 .
It is a cyclic number.
It is not a de Polignac number, because 151406149 - 21 = 151406147 is a prime.
Together with 151406147, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 151406149.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (151406141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75703074 + 75703075.
It is an arithmetic number, because the mean of its divisors is an integer number (75703075).
Almost surely, 2151406149 is an apocalyptic number.
It is an amenable number.
151406149 is a deficient number, since it is larger than the sum of its proper divisors (1).
151406149 is an equidigital number, since it uses as much as digits as its factorization.
151406149 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4320, while the sum is 31.
The square root of 151406149 is about 12304.7205982095. The cubic root of 151406149 is about 532.9844081858.
The spelling of 151406149 in words is "one hundred fifty-one million, four hundred six thousand, one hundred forty-nine".
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