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78836053 is a prime number
BaseRepresentation
bin1001011001011…
…11000101010101
312111100021201211
410230233011111
5130140223203
611453421421
71645044502
oct454570525
9174307654
1078836053
114055676a
122249a871
131344366a
14a6824a9
156dc3c6d
hex4b2f155

78836053 has 2 divisors, whose sum is σ = 78836054. Its totient is φ = 78836052.

The previous prime is 78836033. The next prime is 78836063. The reversal of 78836053 is 35063887.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51868804 + 26967249 = 7202^2 + 5193^2 .

It is an emirp because it is prime and its reverse (35063887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78836053 - 217 = 78704981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78835997 and 78836015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78836003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39418026 + 39418027.

It is an arithmetic number, because the mean of its divisors is an integer number (39418027).

Almost surely, 278836053 is an apocalyptic number.

It is an amenable number.

78836053 is a deficient number, since it is larger than the sum of its proper divisors (1).

78836053 is an equidigital number, since it uses as much as digits as its factorization.

78836053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 78836053 is about 8878.9668881013. The cubic root of 78836053 is about 428.7870141753.

The spelling of 78836053 in words is "seventy-eight million, eight hundred thirty-six thousand, fifty-three".