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53378541 = 331976983
BaseRepresentation
bin1100101110011…
…1110111101101
310201102220121000
43023213313231
5102131103131
65144030513
71215465366
oct313476755
9121386530
1053378541
11281490a7
1215a62439
13b09c148
147136b6d
154a45ce6
hex32e7ded

53378541 has 8 divisors (see below), whose sum is σ = 79079360. Its totient is φ = 35585676.

The previous prime is 53378537. The next prime is 53378557. The reversal of 53378541 is 14587335.

53378541 is a `hidden beast` number, since 533 + 7 + 85 + 41 = 666.

It is not a de Polignac number, because 53378541 - 22 = 53378537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53378496 and 53378505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53378141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988465 + ... + 988518.

It is an arithmetic number, because the mean of its divisors is an integer number (9884920).

Almost surely, 253378541 is an apocalyptic number.

It is an amenable number.

53378541 is a deficient number, since it is larger than the sum of its proper divisors (25700819).

53378541 is a wasteful number, since it uses less digits than its factorization.

53378541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976992 (or 1976986 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 53378541 is about 7306.0619351330. The cubic root of 53378541 is about 376.5207366239.

The spelling of 53378541 in words is "fifty-three million, three hundred seventy-eight thousand, five hundred forty-one".

Divisors: 1 3 9 27 1976983 5930949 17792847 53378541