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63407872 = 281122389
BaseRepresentation
bin1111000111100…
…0011100000000
311102022110020201
43301320130000
5112213022442
610143014544
71366646413
oct361703400
9142273221
1063407872
1132879300
121929a454
13101a1168
1485c7b7a
1558777b7
hex3c78700

63407872 has 108 divisors (see below), whose sum is σ = 146800080. Its totient is φ = 27258880.

The previous prime is 63407867. The next prime is 63407893. The reversal of 63407872 is 27870436.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 712404 + ... + 712492.

It is an arithmetic number, because the mean of its divisors is an integer number (1359260).

Almost surely, 263407872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63407872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73400040).

63407872 is an abundant number, since it is smaller than the sum of its proper divisors (83392208).

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

63407872 is a wasteful number, since it uses less digits than its factorization.

63407872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 63407872 is about 7962.9060022080. The cubic root of 63407872 is about 398.7625759014.

The spelling of 63407872 in words is "sixty-three million, four hundred seven thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 23 32 44 46 64 88 89 92 121 128 176 178 184 242 253 256 352 356 368 484 506 704 712 736 968 979 1012 1408 1424 1472 1936 1958 2024 2047 2783 2816 2848 2944 3872 3916 4048 4094 5566 5696 5888 7744 7832 8096 8188 10769 11132 11392 15488 15664 16192 16376 21538 22264 22517 22784 30976 31328 32384 32752 43076 44528 45034 62656 64768 65504 86152 89056 90068 125312 131008 172304 178112 180136 247687 250624 262016 344608 356224 360272 495374 524032 689216 712448 720544 990748 1378432 1441088 1981496 2756864 2882176 3962992 5764352 7925984 15851968 31703936 63407872