Base | Representation |
---|---|
bin | 10000101111010… |
… | …01000010001011 |
3 | 100210012211022211 |
4 | 20113221002023 |
5 | 241421240430 |
6 | 21533325551 |
7 | 3323336341 |
oct | 1027510213 |
9 | 323184284 |
10 | 140415115 |
11 | 72295a55 |
12 | 3b0368b7 |
13 | 23124289 |
14 | 14911991 |
15 | c4d972a |
hex | 85e908b |
140415115 has 12 divisors (see below), whose sum is σ = 176145984. Its totient is φ = 107446064.
The previous prime is 140415113. The next prime is 140415131. The reversal of 140415115 is 511514041.
It is a happy number.
It is not a de Polignac number, because 140415115 - 21 = 140415113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (140415113) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23899 + ... + 29188.
It is an arithmetic number, because the mean of its divisors is an integer number (14678832).
Almost surely, 2140415115 is an apocalyptic number.
140415115 is a deficient number, since it is larger than the sum of its proper divisors (35730869).
140415115 is an equidigital number, since it uses as much as digits as its factorization.
140415115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53138 (or 53115 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 22.
The square root of 140415115 is about 11849.6883925275. The cubic root of 140415115 is about 519.7621138231.
Adding to 140415115 its reverse (511514041), we get a palindrome (651929156).
The spelling of 140415115 in words is "one hundred forty million, four hundred fifteen thousand, one hundred fifteen".
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