Base | Representation |
---|---|
bin | 10001010010011… |
… | …11101110101000 |
3 | 101002220021211120 |
4 | 20221033232220 |
5 | 244111430211 |
6 | 22220255240 |
7 | 3410510103 |
oct | 1051175650 |
9 | 332807746 |
10 | 145030056 |
11 | 74958256 |
12 | 406a1520 |
13 | 2407ba02 |
14 | 1539373a |
15 | caebd06 |
hex | 8a4fba8 |
145030056 has 32 divisors (see below), whose sum is σ = 371009760. Its totient is φ = 47218752.
The previous prime is 145030037. The next prime is 145030069. The reversal of 145030056 is 650030541.
145030056 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24).
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, 69235 + ... + 71298.
It is an arithmetic number, because the mean of its divisors is an integer number (11594055).
Almost surely, 2145030056 is an apocalyptic number.
It is an amenable number.
145030056 is an abundant number, since it is smaller than the sum of its proper divisors (225979704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145030056 is a wasteful number, since it uses less digits than its factorization.
145030056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140585 (or 140581 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 145030056 is about 12042.8425215976. The cubic root of 145030056 is about 525.3950840144.
Adding to 145030056 its reverse (650030541), we get a palindrome (795060597).
The spelling of 145030056 in words is "one hundred forty-five million, thirty thousand, fifty-six".
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