Base | Representation |
---|---|
bin | 10010001100100… |
… | …01110001100111 |
3 | 101122012221120010 |
4 | 21012101301213 |
5 | 303033444430 |
6 | 23051341303 |
7 | 3532265241 |
oct | 1106216147 |
9 | 348187503 |
10 | 152640615 |
11 | 79186176 |
12 | 43151833 |
13 | 25814aba |
14 | 163b5091 |
15 | d601cb0 |
hex | 9191c67 |
152640615 has 16 divisors (see below), whose sum is σ = 245846016. Its totient is φ = 80868000.
The previous prime is 152640599. The next prime is 152640629. The reversal of 152640615 is 516046251.
It is not a de Polignac number, because 152640615 - 24 = 152640599 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31431 + ... + 35960.
It is an arithmetic number, because the mean of its divisors is an integer number (15365376).
Almost surely, 2152640615 is an apocalyptic number.
152640615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
152640615 is a deficient number, since it is larger than the sum of its proper divisors (93205401).
152640615 is a wasteful number, since it uses less digits than its factorization.
152640615 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67550.
The product of its (nonzero) digits is 7200, while the sum is 30.
The square root of 152640615 is about 12354.7810583596. The cubic root of 152640615 is about 534.4290237095.
Adding to 152640615 its reverse (516046251), we get a palindrome (668686866).
The spelling of 152640615 in words is "one hundred fifty-two million, six hundred forty thousand, six hundred fifteen".
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