Base | Representation |
---|---|
bin | 10001010101001… |
… | …01111010000010 |
3 | 101010120020001010 |
4 | 20222211322002 |
5 | 244204224132 |
6 | 22232021350 |
7 | 3413510160 |
oct | 1052457202 |
9 | 333506033 |
10 | 145383042 |
11 | 75079482 |
12 | 40831856 |
13 | 2417358c |
14 | 15446230 |
15 | cb6b6cc |
hex | 8aa5e82 |
145383042 has 32 divisors (see below), whose sum is σ = 332860032. Its totient is φ = 41468544.
The previous prime is 145383011. The next prime is 145383053. The reversal of 145383042 is 240383541.
It is a super-2 number, since 2×1453830422 = 42272457802347528, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25878 + ... + 30990.
It is an arithmetic number, because the mean of its divisors is an integer number (10401876).
Almost surely, 2145383042 is an apocalyptic number.
145383042 is an abundant number, since it is smaller than the sum of its proper divisors (187476990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145383042 is a wasteful number, since it uses less digits than its factorization.
145383042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5802.
The product of its (nonzero) digits is 11520, while the sum is 30.
The square root of 145383042 is about 12057.4890420850. The cubic root of 145383042 is about 525.8209884950.
The spelling of 145383042 in words is "one hundred forty-five million, three hundred eighty-three thousand, forty-two".
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