Base | Representation |
---|---|
bin | 10001011000001… |
… | …10101001010100 |
3 | 101011022100120202 |
4 | 20230012221110 |
5 | 244304414114 |
6 | 22244320032 |
7 | 3420050330 |
oct | 1054065124 |
9 | 334270522 |
10 | 145779284 |
11 | 7531a152 |
12 | 409a3018 |
13 | 24281a41 |
14 | 1550a7c0 |
15 | cbe8cde |
hex | 8b06a54 |
145779284 has 24 divisors (see below), whose sum is σ = 308710080. Its totient is φ = 58801536.
The previous prime is 145779281. The next prime is 145779307. The reversal of 145779284 is 482977541.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145779281) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 152654 + ... + 153605.
It is an arithmetic number, because the mean of its divisors is an integer number (12862920).
Almost surely, 2145779284 is an apocalyptic number.
145779284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
145779284 is an abundant number, since it is smaller than the sum of its proper divisors (162930796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145779284 is a wasteful number, since it uses less digits than its factorization.
145779284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 306287 (or 306285 counting only the distinct ones).
The product of its digits is 564480, while the sum is 47.
The square root of 145779284 is about 12073.9092260957. The cubic root of 145779284 is about 526.2982641456.
The spelling of 145779284 in words is "one hundred forty-five million, seven hundred seventy-nine thousand, two hundred eighty-four".
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