| Base | Representation |
|---|---|
| bin | 10000101101110… |
| … | …00001100001010 |
| 3 | 100202211122220000 |
| 4 | 20112320030022 |
| 5 | 241343340200 |
| 6 | 21525143430 |
| 7 | 3321544143 |
| oct | 1026701412 |
| 9 | 322748800 |
| 10 | 140215050 |
| 11 | 72169708 |
| 12 | 3ab5ab76 |
| 13 | 230841b1 |
| 14 | 1489caca |
| 15 | c49a300 |
| hex | 85b830a |
140215050 has 120 divisors (see below), whose sum is σ = 394980300. Its totient is φ = 36875520.
The previous prime is 140215043. The next prime is 140215057. The reversal of 140215050 is 50512041.
140215050 is a `hidden beast` number, since 140 + 21 + 505 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (140215043) and next prime (140215057).
It can be written as a sum of positive squares in 6 ways, for example, as 15468489 + 124746561 = 3933^2 + 11169^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (140215057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 360256 + ... + 360644.
Almost surely, 2140215050 is an apocalyptic number.
140215050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 140215050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197490150).
140215050 is an abundant number, since it is smaller than the sum of its proper divisors (254765250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140215050 is a wasteful number, since it uses less digits than its factorization.
140215050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 502 (or 488 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 18.
The square root of 140215050 is about 11841.2436002305. The cubic root of 140215050 is about 519.5151422315.
Adding to 140215050 its reverse (50512041), we get a palindrome (190727091).
The spelling of 140215050 in words is "one hundred forty million, two hundred fifteen thousand, fifty".
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