Base | Representation |
---|---|
bin | 10001011000000… |
… | …11111110111100 |
3 | 101011021210121220 |
4 | 20230003332330 |
5 | 244304042010 |
6 | 22244153340 |
7 | 3420003462 |
oct | 1054037674 |
9 | 334253556 |
10 | 145768380 |
11 | 75311a3a |
12 | 40998850 |
13 | 24279aa4 |
14 | 15506832 |
15 | cbe5970 |
hex | 8b03fbc |
145768380 has 48 divisors (see below), whose sum is σ = 429636480. Its totient is φ = 36825408.
The previous prime is 145768373. The next prime is 145768393. The reversal of 145768380 is 83867541.
It is a congruent number.
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, 62794 + ... + 65073.
It is an arithmetic number, because the mean of its divisors is an integer number (8950760).
Almost surely, 2145768380 is an apocalyptic number.
145768380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145768380 is an abundant number, since it is smaller than the sum of its proper divisors (283868100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145768380 is a wasteful number, since it uses less digits than its factorization.
145768380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127898 (or 127896 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 42.
The square root of 145768380 is about 12073.4576654743. The cubic root of 145768380 is about 526.2851417979.
The spelling of 145768380 in words is "one hundred forty-five million, seven hundred sixty-eight thousand, three hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •