Base | Representation |
---|---|
bin | 10001010101101… |
… | …11011110110110 |
3 | 101010200212210100 |
4 | 20222313132312 |
5 | 244214030110 |
6 | 22233334530 |
7 | 3414230100 |
oct | 1052673666 |
9 | 333625710 |
10 | 145455030 |
11 | 75118576 |
12 | 40867446 |
13 | 2419a286 |
14 | 15464570 |
15 | cb82bc0 |
hex | 8ab77b6 |
145455030 has 72 divisors (see below), whose sum is σ = 439940592. Its totient is φ = 33245856.
The previous prime is 145454999. The next prime is 145455031. The reversal of 145455030 is 30554541.
It is a junction number, because it is equal to n+sod(n) for n = 145454985 and 145455003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145455031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12082 + ... + 20901.
It is an arithmetic number, because the mean of its divisors is an integer number (6110286).
Almost surely, 2145455030 is an apocalyptic number.
145455030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145455030 is an abundant number, since it is smaller than the sum of its proper divisors (294485562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145455030 is a wasteful number, since it uses less digits than its factorization.
145455030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33010 (or 33000 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 145455030 is about 12060.4738712871. The cubic root of 145455030 is about 525.9077628413.
The spelling of 145455030 in words is "one hundred forty-five million, four hundred fifty-five thousand, thirty".
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