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47668608 = 2733131061
BaseRepresentation
bin1011010111010…
…1110110000000
310022200211001000
42311311312000
544200343413
64421412000
71116114351
oct265656600
9108624030
1047668608
11249a9149
1213b6a000
139b501a0
14648bd28
1542b9073
hex2d75d80

47668608 has 128 divisors (see below), whose sum is σ = 151653600. Its totient is φ = 14653440.

The previous prime is 47668603. The next prime is 47668661. The reversal of 47668608 is 80686674.

It is a happy number.

47668608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47668603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44398 + ... + 45458.

Almost surely, 247668608 is an apocalyptic number.

47668608 is a gapful number since it is divisible by the number (48) 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 47668608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75826800).

47668608 is an abundant number, since it is smaller than the sum of its proper divisors (103984992).

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

47668608 is a wasteful number, since it uses less digits than its factorization.

47668608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 47668608 is about 6904.2456503227. The cubic root of 47668608 is about 362.5858263684.

The spelling of 47668608 in words is "forty-seven million, six hundred sixty-eight thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 96 104 108 117 128 144 156 192 208 216 234 288 312 351 384 416 432 468 576 624 702 832 864 936 1061 1152 1248 1404 1664 1728 1872 2122 2496 2808 3183 3456 3744 4244 4992 5616 6366 7488 8488 9549 11232 12732 13793 14976 16976 19098 22464 25464 27586 28647 33952 38196 41379 44928 50928 55172 57294 67904 76392 82758 101856 110344 114588 124137 135808 152784 165516 203712 220688 229176 248274 305568 331032 372411 407424 441376 458352 496548 611136 662064 744822 882752 916704 993096 1222272 1324128 1489644 1765504 1833408 1986192 2648256 2979288 3666816 3972384 5296512 5958576 7944768 11917152 15889536 23834304 47668608