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78488352 = 2534107283
BaseRepresentation
bin1001010110110…
…10001100100000
312110200121210000
410223122030200
5130043111402
611442140000
71642066005
oct453321440
9173617700
1078488352
1140339508
1222351600
1313351317
14a5d18ac
156d55c1c
hex4ada320

78488352 has 120 divisors (see below), whose sum is σ = 233812656. Its totient is φ = 25826688.

The previous prime is 78488323. The next prime is 78488363. The reversal of 78488352 is 25388487.

It is a junction number, because it is equal to n+sod(n) for n = 78488298 and 78488307.

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 19 ways as a sum of consecutive naturals, for example, 277203 + ... + 277485.

Almost surely, 278488352 is an apocalyptic number.

78488352 is a gapful number since it is divisible by the number (72) 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 78488352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116906328).

78488352 is an abundant number, since it is smaller than the sum of its proper divisors (155324304).

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

78488352 is a wasteful number, since it uses less digits than its factorization.

78488352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 395 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 78488352 is about 8859.3652142803. The cubic root of 78488352 is about 428.1557065869.

The spelling of 78488352 in words is "seventy-eight million, four hundred eighty-eight thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 107 108 144 162 214 216 283 288 321 324 428 432 566 642 648 849 856 864 963 1132 1284 1296 1698 1712 1926 2264 2547 2568 2592 2889 3396 3424 3852 4528 5094 5136 5778 6792 7641 7704 8667 9056 10188 10272 11556 13584 15282 15408 17334 20376 22923 23112 27168 30281 30564 30816 34668 40752 45846 46224 60562 61128 69336 81504 90843 91692 92448 121124 122256 138672 181686 183384 242248 244512 272529 277344 363372 366768 484496 545058 726744 733536 817587 968992 1090116 1453488 1635174 2180232 2452761 2906976 3270348 4360464 4905522 6540696 8720928 9811044 13081392 19622088 26162784 39244176 78488352