Base | Representation |
---|---|
bin | 10000110010111… |
… | …11101101101100 |
3 | 100211010112011000 |
4 | 20121133231230 |
5 | 242032314403 |
6 | 21552000300 |
7 | 3330432516 |
oct | 1031375554 |
9 | 324115130 |
10 | 140901228 |
11 | 725981a6 |
12 | 3b230090 |
13 | 23264610 |
14 | 149dabb6 |
15 | c5837a3 |
hex | 865fb6c |
140901228 has 48 divisors (see below), whose sum is σ = 393403360. Its totient is φ = 43353792.
The previous prime is 140901223. The next prime is 140901281. The reversal of 140901228 is 822109041.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (140901221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48775 + ... + 51582.
Almost surely, 2140901228 is an apocalyptic number.
140901228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
140901228 is an abundant number, since it is smaller than the sum of its proper divisors (252502132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140901228 is a wasteful number, since it uses less digits than its factorization.
140901228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100383 (or 100375 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 140901228 is about 11870.1823069404. The cubic root of 140901228 is about 520.3612233733.
The spelling of 140901228 in words is "one hundred forty million, nine hundred one thousand, two hundred twenty-eight".
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