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78853112 = 2313758203
BaseRepresentation
bin1001011001100…
…11001111111000
312111101011010122
410230303033320
5130141244422
611454032412
71645145312
oct454631770
9174334118
1078853112
1140568568
12224a8708
131344b360
14a6887b2
156dc8d42
hex4b333f8

78853112 has 16 divisors (see below), whose sum is σ = 159222840. Its totient is φ = 36393696.

The previous prime is 78853111. The next prime is 78853207. The reversal of 78853112 is 21135887.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78853111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378998 + ... + 379205.

Almost surely, 278853112 is an apocalyptic number.

It is an amenable number.

78853112 is an abundant number, since it is smaller than the sum of its proper divisors (80369728).

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

78853112 is a wasteful number, since it uses less digits than its factorization.

78853112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758222 (or 758218 counting only the distinct ones).

The product of its digits is 13440, while the sum is 35.

The square root of 78853112 is about 8879.9274771813. The cubic root of 78853112 is about 428.8179397475.

Adding to 78853112 its reverse (21135887), we get a palindrome (99988999).

The spelling of 78853112 in words is "seventy-eight million, eight hundred fifty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 758203 1516406 3032812 6065624 9856639 19713278 39426556 78853112