Base | Representation |
---|---|
bin | 10001010111001… |
… | …11010110000010 |
3 | 101011001211201020 |
4 | 20223213112002 |
5 | 244241313244 |
6 | 22241450310 |
7 | 3416004462 |
oct | 1053472602 |
9 | 334054636 |
10 | 145651074 |
11 | 75241898 |
12 | 40940996 |
13 | 2423858a |
14 | 154b5ba2 |
15 | cbc0d19 |
hex | 8ae7582 |
145651074 has 32 divisors (see below), whose sum is σ = 307265280. Its totient is φ = 45900432.
The previous prime is 145651067. The next prime is 145651091. The reversal of 145651074 is 470156541.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72309 + ... + 74295.
It is an arithmetic number, because the mean of its divisors is an integer number (9602040).
Almost surely, 2145651074 is an apocalyptic number.
145651074 is an abundant number, since it is smaller than the sum of its proper divisors (161614206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145651074 is a wasteful number, since it uses less digits than its factorization.
145651074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2654.
The product of its (nonzero) digits is 16800, while the sum is 33.
The square root of 145651074 is about 12068.5986759027. The cubic root of 145651074 is about 526.1439292503.
The spelling of 145651074 in words is "one hundred forty-five million, six hundred fifty-one thousand, seventy-four".
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