Base | Representation |
---|---|
bin | 10001011001001… |
… | …11001110011100 |
3 | 101011120010122021 |
4 | 20230213032130 |
5 | 244323201412 |
6 | 22251225524 |
7 | 3421144360 |
oct | 1054471634 |
9 | 334503567 |
10 | 145912732 |
11 | 75400439 |
12 | 40a482a4 |
13 | 242ca6c4 |
14 | 155432a0 |
15 | cc23607 |
hex | 8b2739c |
145912732 has 24 divisors (see below), whose sum is σ = 296612960. Its totient is φ = 61508160.
The previous prime is 145912729. The next prime is 145912747. The reversal of 145912732 is 237219541.
It is a happy number.
145912732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41007 + ... + 44422.
Almost surely, 2145912732 is an apocalyptic number.
It is an amenable number.
145912732 is an abundant number, since it is smaller than the sum of its proper divisors (150700228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145912732 is a wasteful number, since it uses less digits than its factorization.
145912732 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85501 (or 85499 counting only the distinct ones).
The product of its digits is 15120, while the sum is 34.
The square root of 145912732 is about 12079.4342582755. The cubic root of 145912732 is about 526.4588082889.
The spelling of 145912732 in words is "one hundred forty-five million, nine hundred twelve thousand, seven hundred thirty-two".
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