Base | Representation |
---|---|
bin | 10001011000110… |
… | …10010110100111 |
3 | 101011110110022111 |
4 | 20230122112213 |
5 | 244320010012 |
6 | 22250141451 |
7 | 3420534556 |
oct | 1054322647 |
9 | 334413274 |
10 | 145860007 |
11 | 75374867 |
12 | 40a21887 |
13 | 242ac6c7 |
14 | 1552bd9d |
15 | cc12ba7 |
hex | 8b1a5a7 |
145860007 has 2 divisors, whose sum is σ = 145860008. Its totient is φ = 145860006.
The previous prime is 145859981. The next prime is 145860019. The reversal of 145860007 is 700068541.
145860007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-145860007 is a prime.
It is equal to p8224285 and since 145860007 and 8224285 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145860037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72930003 + 72930004.
It is an arithmetic number, because the mean of its divisors is an integer number (72930004).
Almost surely, 2145860007 is an apocalyptic number.
145860007 is a deficient number, since it is larger than the sum of its proper divisors (1).
145860007 is an equidigital number, since it uses as much as digits as its factorization.
145860007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6720, while the sum is 31.
The square root of 145860007 is about 12077.2516327184. The cubic root of 145860007 is about 526.3953893665.
The spelling of 145860007 in words is "one hundred forty-five million, eight hundred sixty thousand, seven".
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