Base | Representation |
---|---|
bin | 10001010101110… |
… | …01000001010010 |
3 | 101010201012102200 |
4 | 20222321001102 |
5 | 244214230310 |
6 | 22233424030 |
7 | 3414254340 |
oct | 1052710122 |
9 | 333635380 |
10 | 145461330 |
11 | 75122283 |
12 | 4086b016 |
13 | 241a00c1 |
14 | 15466990 |
15 | cb849c0 |
hex | 8ab9052 |
145461330 has 48 divisors (see below), whose sum is σ = 432229824. Its totient is φ = 33248160.
The previous prime is 145461301. The next prime is 145461353. The reversal of 145461330 is 33164541.
145461330 is a `hidden beast` number, since 1 + 45 + 4 + 613 + 3 + 0 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 145461294 and 145461303.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114816 + ... + 116075.
It is an arithmetic number, because the mean of its divisors is an integer number (9004788).
Almost surely, 2145461330 is an apocalyptic number.
145461330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145461330 is an abundant number, since it is smaller than the sum of its proper divisors (286768494).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145461330 is a wasteful number, since it uses less digits than its factorization.
145461330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230911 (or 230908 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 145461330 is about 12060.7350522263. The cubic root of 145461330 is about 525.9153554997.
It can be divided in two parts, 14546 and 1330, that added together give a square (15876 = 1262).
The spelling of 145461330 in words is "one hundred forty-five million, four hundred sixty-one thousand, three hundred thirty".
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