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53040342 = 238840057
BaseRepresentation
bin1100101001010…
…1010011010110
310200210201200010
43022111103112
5102034242332
65132501050
71212556365
oct312252326
9120721603
1053040342
1127a37aa3
121591a786
13acb1224
1470897dc
1549ca9cc
hex32954d6

53040342 has 8 divisors (see below), whose sum is σ = 106080696. Its totient is φ = 17680112.

The previous prime is 53040341. The next prime is 53040359. The reversal of 53040342 is 24304035.

It is a happy number.

53040342 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.

53040342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53040341) 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 3 ways as a sum of consecutive naturals, for example, 4420023 + ... + 4420034.

It is an arithmetic number, because the mean of its divisors is an integer number (13260087).

Almost surely, 253040342 is an apocalyptic number.

53040342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53040342 is a wasteful number, since it uses less digits than its factorization.

53040342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8840062.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 53040342 is about 7282.8800621732. The cubic root of 53040342 is about 375.7238569617.

Adding to 53040342 its reverse (24304035), we get a palindrome (77344377).

The spelling of 53040342 in words is "fifty-three million, forty thousand, three hundred forty-two".

Divisors: 1 2 3 6 8840057 17680114 26520171 53040342