Base | Representation |
---|---|
bin | 10001010010100… |
… | …10011101011110 |
3 | 101002220212012000 |
4 | 20221102131132 |
5 | 244112304441 |
6 | 22220423130 |
7 | 3410554530 |
oct | 1051223536 |
9 | 332825160 |
10 | 145041246 |
11 | 749656a9 |
12 | 406a7aa6 |
13 | 24083b2c |
14 | 15397850 |
15 | cb002b6 |
hex | 8a5275e |
145041246 has 64 divisors (see below), whose sum is σ = 390044160. Its totient is φ = 39000960.
The previous prime is 145041233. The next prime is 145041257. The reversal of 145041246 is 642140541.
145041246 is digitally balanced in base 2, because in such base 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 (27).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4860 + ... + 17711.
It is an arithmetic number, because the mean of its divisors is an integer number (6094440).
Almost surely, 2145041246 is an apocalyptic number.
145041246 is an abundant number, since it is smaller than the sum of its proper divisors (245002914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145041246 is a wasteful number, since it uses less digits than its factorization.
145041246 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22606 (or 22600 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 145041246 is about 12043.3071039478. The cubic root of 145041246 is about 525.4085962016.
Adding to 145041246 its reverse (642140541), we get a palindrome (787181787).
The spelling of 145041246 in words is "one hundred forty-five million, forty-one thousand, two hundred forty-six".
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