Base | Representation |
---|---|
bin | 100101100100001… |
… | …110111101011111 |
3 | 1121220221021221122 |
4 | 211210032331133 |
5 | 2242321133310 |
6 | 142312321155 |
7 | 21422040314 |
oct | 4544167537 |
9 | 1556837848 |
10 | 630255455 |
11 | 2a3843285 |
12 | 1570a31bb |
13 | a075cc2b |
14 | 5d9c0d0b |
15 | 3a4e7555 |
hex | 2590ef5f |
630255455 has 16 divisors (see below), whose sum is σ = 765033984. Its totient is φ = 498404640.
The previous prime is 630255419. The next prime is 630255469. The reversal of 630255455 is 554552036.
It is not a de Polignac number, because 630255455 - 216 = 630189919 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530372 + ... + 531558.
It is an arithmetic number, because the mean of its divisors is an integer number (47814624).
Almost surely, 2630255455 is an apocalyptic number.
630255455 is a deficient number, since it is larger than the sum of its proper divisors (134778529).
630255455 is a wasteful number, since it uses less digits than its factorization.
630255455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2326.
The product of its (nonzero) digits is 90000, while the sum is 35.
The square root of 630255455 is about 25104.8890656780. The cubic root of 630255455 is about 857.3777412700.
The spelling of 630255455 in words is "six hundred thirty million, two hundred fifty-five thousand, four hundred fifty-five".
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