Base | Representation |
---|---|
bin | 10001010011110… |
… | …01001111001101 |
3 | 101010012221001122 |
4 | 20221321033031 |
5 | 244132400302 |
6 | 22224050325 |
7 | 3412115561 |
oct | 1051711715 |
9 | 333187048 |
10 | 145200077 |
11 | 74a63a70 |
12 | 407639a5 |
13 | 2410b209 |
14 | 153d96a1 |
15 | cb323a2 |
hex | 8a793cd |
145200077 has 8 divisors (see below), whose sum is σ = 167717952. Its totient is φ = 124235200.
The previous prime is 145200067. The next prime is 145200113. The reversal of 145200077 is 770002541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 145200077 - 222 = 141005773 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145200047) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388049 + ... + 388422.
It is an arithmetic number, because the mean of its divisors is an integer number (20964744).
Almost surely, 2145200077 is an apocalyptic number.
145200077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
145200077 is a deficient number, since it is larger than the sum of its proper divisors (22517875).
145200077 is a wasteful number, since it uses less digits than its factorization.
145200077 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 776499.
The product of its (nonzero) digits is 1960, while the sum is 26.
The square root of 145200077 is about 12049.8994601615. The cubic root of 145200077 is about 525.6003134586.
The spelling of 145200077 in words is "one hundred forty-five million, two hundred thousand, seventy-seven".
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