Base | Representation |
---|---|
bin | 10001010100000… |
… | …01110000101000 |
3 | 101010021200221111 |
4 | 20222001300220 |
5 | 244140004414 |
6 | 22224520104 |
7 | 3412322416 |
oct | 1052016050 |
9 | 333250844 |
10 | 145234984 |
11 | 74a88214 |
12 | 40780034 |
13 | 2412107b |
14 | 154082b6 |
15 | cb3c8c4 |
hex | 8a81c28 |
145234984 has 32 divisors (see below), whose sum is σ = 276645600. Its totient is φ = 71472960.
The previous prime is 145234981. The next prime is 145235003. The reversal of 145234984 is 489432541.
It is not an unprimeable number, because it can be changed into a prime (145234981) 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, 145174 + ... + 146170.
It is an arithmetic number, because the mean of its divisors is an integer number (8645175).
Almost surely, 2145234984 is an apocalyptic number.
It is an amenable number.
145234984 is a deficient number, since it is larger than the sum of its proper divisors (131410616).
145234984 is a wasteful number, since it uses less digits than its factorization.
145234984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1273 (or 1269 counting only the distinct ones).
The product of its digits is 138240, while the sum is 40.
The square root of 145234984 is about 12051.3478084403. The cubic root of 145234984 is about 525.6424292767.
The spelling of 145234984 in words is "one hundred forty-five million, two hundred thirty-four thousand, nine hundred eighty-four".
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