Base | Representation |
---|---|
bin | 100101100011110… |
… | …010111001100011 |
3 | 1121220201110021121 |
4 | 211203302321203 |
5 | 2242303444030 |
6 | 142310033111 |
7 | 21421051234 |
oct | 4543627143 |
9 | 1556643247 |
10 | 630140515 |
11 | 2a3774994 |
12 | 157048797 |
13 | a071c814 |
14 | 5d99108b |
15 | 3a4c347a |
hex | 258f2e63 |
630140515 has 32 divisors (see below), whose sum is σ = 789626880. Its totient is φ = 482448000.
The previous prime is 630140509. The next prime is 630140527. The reversal of 630140515 is 515041036.
It is not a de Polignac number, because 630140515 - 219 = 629616227 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 630140515.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3299070 + ... + 3299260.
It is an arithmetic number, because the mean of its divisors is an integer number (24675840).
Almost surely, 2630140515 is an apocalyptic number.
630140515 is a deficient number, since it is larger than the sum of its proper divisors (159486365).
630140515 is a wasteful number, since it uses less digits than its factorization.
630140515 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 483.
The product of its (nonzero) digits is 1800, while the sum is 25.
The square root of 630140515 is about 25102.5997657613. The cubic root of 630140515 is about 857.3256179666.
The spelling of 630140515 in words is "six hundred thirty million, one hundred forty thousand, five hundred fifteen".
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