Base | Representation |
---|---|
bin | 10000110011000… |
… | …00010100100000 |
3 | 100211010122120000 |
4 | 20121200110200 |
5 | 242032404322 |
6 | 21552020000 |
7 | 3330442665 |
oct | 1031402440 |
9 | 324118500 |
10 | 140903712 |
11 | 7259a054 |
12 | 3b231600 |
13 | 232657a1 |
14 | 149dba6c |
15 | c5843ac |
hex | 8660520 |
140903712 has 60 divisors (see below), whose sum is σ = 414401526. Its totient is φ = 46967040.
The previous prime is 140903671. The next prime is 140903713. The reversal of 140903712 is 217309041.
It can be written as a sum of positive squares in only one way, i.e., 115863696 + 25040016 = 10764^2 + 5004^2 .
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 (140903713) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 24589 + ... + 29772.
Almost surely, 2140903712 is an apocalyptic number.
140903712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
140903712 is an abundant number, since it is smaller than the sum of its proper divisors (273497814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140903712 is an equidigital number, since it uses as much as digits as its factorization.
140903712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54383 (or 54366 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 140903712 is about 11870.2869384021. The cubic root of 140903712 is about 520.3642812357.
The spelling of 140903712 in words is "one hundred forty million, nine hundred three thousand, seven hundred twelve".
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