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77683053 = 373699193
BaseRepresentation
bin1001010000101…
…01100101101101
312102011201010010
410220111211231
5124341324203
611413003433
71632203130
oct450254555
9172151103
1077683053
113a939478
1222023579
131312b906
14a462217
156c47303
hex4a1596d

77683053 has 8 divisors (see below), whose sum is σ = 118374208. Its totient is φ = 44390304.

The previous prime is 77683051. The next prime is 77683061. The reversal of 77683053 is 35038677.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77683053 - 21 = 77683051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77683051) 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 7 ways as a sum of consecutive naturals, for example, 1849576 + ... + 1849617.

It is an arithmetic number, because the mean of its divisors is an integer number (14796776).

Almost surely, 277683053 is an apocalyptic number.

It is an amenable number.

77683053 is a deficient number, since it is larger than the sum of its proper divisors (40691155).

77683053 is a wasteful number, since it uses less digits than its factorization.

77683053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699203.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 77683053 is about 8813.7990106423. The cubic root of 77683053 is about 426.6863618702.

The spelling of 77683053 in words is "seventy-seven million, six hundred eighty-three thousand, fifty-three".

Divisors: 1 3 7 21 3699193 11097579 25894351 77683053