Base | Representation |
---|---|
bin | 10001011001011… |
… | …00001001010111 |
3 | 101011121011021202 |
4 | 20230230021113 |
5 | 244324323022 |
6 | 22251503115 |
7 | 3421260212 |
oct | 1054541127 |
9 | 334534252 |
10 | 145932887 |
11 | 754145a1 |
12 | 40a57a9b |
13 | 24306929 |
14 | 1554a779 |
15 | cc29592 |
hex | 8b2c257 |
145932887 has 2 divisors, whose sum is σ = 145932888. Its totient is φ = 145932886.
The previous prime is 145932883. The next prime is 145932889. The reversal of 145932887 is 788239541.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 145932887 - 22 = 145932883 is a prime.
Together with 145932889, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145932881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72966443 + 72966444.
It is an arithmetic number, because the mean of its divisors is an integer number (72966444).
Almost surely, 2145932887 is an apocalyptic number.
145932887 is a deficient number, since it is larger than the sum of its proper divisors (1).
145932887 is an equidigital number, since it uses as much as digits as its factorization.
145932887 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 483840, while the sum is 47.
The square root of 145932887 is about 12080.2684986717. The cubic root of 145932887 is about 526.4830471807.
The spelling of 145932887 in words is "one hundred forty-five million, nine hundred thirty-two thousand, eight hundred eighty-seven".
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