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78852928 = 2671116001
BaseRepresentation
bin1001011001100…
…11001101000000
312111101010212211
410230303031000
5130141243203
611454031504
71645144630
oct454631500
9174333784
1078852928
1140568410
12224a8594
131344b24b
14a6886c0
156dc8c6d
hex4b33340

78852928 has 56 divisors (see below), whose sum is σ = 195096384. Its totient is φ = 30720000.

The previous prime is 78852877. The next prime is 78852929. The reversal of 78852928 is 82925887.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78852929) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3073 + ... + 12928.

It is an arithmetic number, because the mean of its divisors is an integer number (3483864).

Almost surely, 278852928 is an apocalyptic number.

It is an amenable number.

78852928 is an abundant number, since it is smaller than the sum of its proper divisors (116243456).

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

78852928 is a wasteful number, since it uses less digits than its factorization.

78852928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16031 (or 16021 counting only the distinct ones).

The product of its digits is 645120, while the sum is 49.

The square root of 78852928 is about 8879.9171167303. The cubic root of 78852928 is about 428.8176062051.

The spelling of 78852928 in words is "seventy-eight million, eight hundred fifty-two thousand, nine hundred twenty-eight".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 154 176 224 308 352 448 616 704 1232 2464 4928 16001 32002 64004 112007 128008 176011 224014 256016 352022 448028 512032 704044 896056 1024064 1232077 1408088 1792112 2464154 2816176 3584224 4928308 5632352 7168448 9856616 11264704 19713232 39426464 78852928