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63144704 = 287167211
BaseRepresentation
bin1111000011100…
…0001100000000
311101211002020202
43300320030000
5112131112304
610133224332
71364502230
oct360701400
9141732222
1063144704
1132709607
12191920a8
131010b43c
148559cc0
15582481e
hex3c38300

63144704 has 72 divisors (see below), whose sum is σ = 145598208. Its totient is φ = 26772480.

The previous prime is 63144703. The next prime is 63144707. The reversal of 63144704 is 40744136.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (63144703) 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, 299159 + ... + 299369.

Almost surely, 263144704 is an apocalyptic number.

63144704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63144704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72799104).

63144704 is an abundant number, since it is smaller than the sum of its proper divisors (82453504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63144704 is a wasteful number, since it uses less digits than its factorization.

63144704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 63144704 is about 7946.3642000603. The cubic root of 63144704 is about 398.2101362486.

The spelling of 63144704 in words is "sixty-three million, one hundred forty-four thousand, seven hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 167 211 224 256 334 422 448 668 844 896 1169 1336 1477 1688 1792 2338 2672 2954 3376 4676 5344 5908 6752 9352 10688 11816 13504 18704 21376 23632 27008 35237 37408 42752 47264 54016 70474 74816 94528 140948 149632 189056 246659 281896 299264 378112 493318 563792 986636 1127584 1973272 2255168 3946544 4510336 7893088 9020672 15786176 31572352 63144704