Base | Representation |
---|---|
bin | 100101100100001… |
… | …011101111011111 |
3 | 1121220220121212100 |
4 | 211210023233133 |
5 | 2242320223041 |
6 | 142312140143 |
7 | 21421654011 |
oct | 4544135737 |
9 | 1556817770 |
10 | 630242271 |
11 | 2a383438a |
12 | 157097653 |
13 | a0756c29 |
14 | 5d9ba1b1 |
15 | 3a4e36b6 |
hex | 2590bbdf |
630242271 has 48 divisors (see below), whose sum is σ = 956091136. Its totient is φ = 399748608.
The previous prime is 630242243. The next prime is 630242279. The reversal of 630242271 is 172242036.
630242271 is a `hidden beast` number, since 630 + 2 + 4 + 2 + 27 + 1 = 666.
It is not a de Polignac number, because 630242271 - 27 = 630242143 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (630242279) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3866436 + ... + 3866598.
Almost surely, 2630242271 is an apocalyptic number.
630242271 is a deficient number, since it is larger than the sum of its proper divisors (325848865).
630242271 is a wasteful number, since it uses less digits than its factorization.
630242271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 412 (or 409 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The square root of 630242271 is about 25104.6264859687. The cubic root of 630242271 is about 857.3717628757.
The spelling of 630242271 in words is "six hundred thirty million, two hundred forty-two thousand, two hundred seventy-one".
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