Base | Representation |
---|---|
bin | 10001010111101… |
… | …00010001001100 |
3 | 101011011112022220 |
4 | 20223310101030 |
5 | 244300012022 |
6 | 22242535340 |
7 | 3416315016 |
oct | 1053642114 |
9 | 334145286 |
10 | 145704012 |
11 | 75278643 |
12 | 40967550 |
13 | 242566bc |
14 | 154cb1b6 |
15 | cbd185c |
hex | 8af444c |
145704012 has 12 divisors (see below), whose sum is σ = 339976056. Its totient is φ = 48568000.
The previous prime is 145704001. The next prime is 145704043. The reversal of 145704012 is 210407541.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×1457040122 = 42459318225792288, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6070989 + ... + 6071012.
It is an arithmetic number, because the mean of its divisors is an integer number (28331338).
Almost surely, 2145704012 is an apocalyptic number.
145704012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145704012 is an abundant number, since it is smaller than the sum of its proper divisors (194272044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145704012 is a wasteful number, since it uses less digits than its factorization.
145704012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12142008 (or 12142006 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 24.
The square root of 145704012 is about 12070.7916890318. The cubic root of 145704012 is about 526.2076652114.
The spelling of 145704012 in words is "one hundred forty-five million, seven hundred four thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •