Base | Representation |
---|---|
bin | 10001011001010… |
… | …10100101010111 |
3 | 101011120211111201 |
4 | 20230222211113 |
5 | 244324121422 |
6 | 22251413331 |
7 | 3421232440 |
oct | 1054524527 |
9 | 334524451 |
10 | 145926487 |
11 | 7540a803 |
12 | 40a54247 |
13 | 24303a45 |
14 | 155482c7 |
15 | cc27727 |
hex | 8b2a957 |
145926487 has 16 divisors (see below), whose sum is σ = 177196032. Its totient is φ = 117313920.
The previous prime is 145926461. The next prime is 145926499. The reversal of 145926487 is 784629541.
145926487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 145926487 - 27 = 145926359 is a prime.
It is a super-2 number, since 2×1459264872 = 42589079216322338, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145926427) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35038 + ... + 38980.
It is an arithmetic number, because the mean of its divisors is an integer number (11074752).
Almost surely, 2145926487 is an apocalyptic number.
145926487 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
145926487 is a deficient number, since it is larger than the sum of its proper divisors (31269545).
145926487 is a wasteful number, since it uses less digits than its factorization.
145926487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4278.
The product of its digits is 483840, while the sum is 46.
The square root of 145926487 is about 12080.0036009928. The cubic root of 145926487 is about 526.4753506274.
The spelling of 145926487 in words is "one hundred forty-five million, nine hundred twenty-six thousand, four hundred eighty-seven".
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