Base | Representation |
---|---|
bin | 10001011000110… |
… | …10011101010000 |
3 | 101011110110220020 |
4 | 20230122131100 |
5 | 244320013212 |
6 | 22250143440 |
7 | 3420536034 |
oct | 1054323520 |
9 | 334413806 |
10 | 145860432 |
11 | 75375113 |
12 | 40a21b80 |
13 | 242ac963 |
14 | 1552c1c4 |
15 | cc12d8c |
hex | 8b1a750 |
145860432 has 40 divisors (see below), whose sum is σ = 377327040. Its totient is φ = 48552960.
The previous prime is 145860431. The next prime is 145860437. The reversal of 145860432 is 234068541.
It is a junction number, because it is equal to n+sod(n) for n = 145860393 and 145860402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145860431) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42957 + ... + 46227.
It is an arithmetic number, because the mean of its divisors is an integer number (9433176).
Almost surely, 2145860432 is an apocalyptic number.
145860432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145860432 is an abundant number, since it is smaller than the sum of its proper divisors (231466608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145860432 is a wasteful number, since it uses less digits than its factorization.
145860432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4211 (or 4205 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 33.
The square root of 145860432 is about 12077.2692277683. The cubic root of 145860432 is about 526.3959006280.
The spelling of 145860432 in words is "one hundred forty-five million, eight hundred sixty thousand, four hundred thirty-two".
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