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53780353 = 115878329
BaseRepresentation
bin1100110100100…
…1111110000001
310202012022202221
43031021332001
5102231432403
65200411041
71222061014
oct315117601
9122168687
1053780353
11283a2a80
1216016a81
13b1accc3
1471dd37b
154ac4dbd
hex3349f81

53780353 has 8 divisors (see below), whose sum is σ = 58776480. Its totient is φ = 48802080.

The previous prime is 53780339. The next prime is 53780357. The reversal of 53780353 is 35308735.

It is a happy number.

53780353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 53780353 - 29 = 53779841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53780357) 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, 2293 + ... + 10621.

It is an arithmetic number, because the mean of its divisors is an integer number (7347060).

Almost surely, 253780353 is an apocalyptic number.

It is an amenable number.

53780353 is a deficient number, since it is larger than the sum of its proper divisors (4996127).

53780353 is a wasteful number, since it uses less digits than its factorization.

53780353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8927.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 53780353 is about 7333.5089145647. The cubic root of 53780353 is about 377.4631410001.

The spelling of 53780353 in words is "fifty-three million, seven hundred eighty thousand, three hundred fifty-three".

Divisors: 1 11 587 6457 8329 91619 4889123 53780353