Base | Representation |
---|---|
bin | 100101100101010… |
… | …111100100010111 |
3 | 1121221111101220110 |
4 | 211211113210113 |
5 | 2242410142410 |
6 | 142322534103 |
7 | 21424416342 |
oct | 4545274427 |
9 | 1557441813 |
10 | 630552855 |
11 | 2a3a26769 |
12 | 157207333 |
13 | a08353ca |
14 | 5da5b459 |
15 | 3a555720 |
hex | 25957917 |
630552855 has 8 divisors (see below), whose sum is σ = 1008884592. Its totient is φ = 336294848.
The previous prime is 630552847. The next prime is 630552859. The reversal of 630552855 is 558255036.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 630552855 - 23 = 630552847 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (630552859) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21018414 + ... + 21018443.
It is an arithmetic number, because the mean of its divisors is an integer number (126110574).
Almost surely, 2630552855 is an apocalyptic number.
630552855 is a deficient number, since it is larger than the sum of its proper divisors (378331737).
630552855 is a wasteful number, since it uses less digits than its factorization.
630552855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42036865.
The product of its (nonzero) digits is 180000, while the sum is 39.
The square root of 630552855 is about 25110.8115161577. The cubic root of 630552855 is about 857.5125776246.
The spelling of 630552855 in words is "six hundred thirty million, five hundred fifty-two thousand, eight hundred fifty-five".
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