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63427442 = 21317143501
BaseRepresentation
bin1111000111110…
…1001101110010
311102100110002112
43301331031302
5112214134232
610143245322
71400060441
oct361751562
9142313075
1063427442
1132891a81
12192a9842
13101aa040
1485d0d58
15587d4b2
hex3c7d372

63427442 has 16 divisors (see below), whose sum is σ = 108487512. Its totient is φ = 27552000.

The previous prime is 63427423. The next prime is 63427477. The reversal of 63427442 is 24472436.

63427442 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in 4 ways, for example, as 37100281 + 26327161 = 6091^2 + 5131^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63427399 and 63427408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71309 + ... + 72192.

Almost surely, 263427442 is an apocalyptic number.

63427442 is a deficient number, since it is larger than the sum of its proper divisors (45060070).

63427442 is a wasteful number, since it uses less digits than its factorization.

63427442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143533.

The product of its digits is 32256, while the sum is 32.

The square root of 63427442 is about 7964.1347301512. The cubic root of 63427442 is about 398.8035959444.

Adding to 63427442 its reverse (24472436), we get a palindrome (87899878).

The spelling of 63427442 in words is "sixty-three million, four hundred twenty-seven thousand, four hundred forty-two".

Divisors: 1 2 13 17 26 34 221 442 143501 287002 1865513 2439517 3731026 4879034 31713721 63427442