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53031042 = 2322946169
BaseRepresentation
bin1100101001001…
…1000010000010
310200210020220200
43022103002002
5102033443132
65132350030
71212520311
oct312230202
9120706820
1053031042
1127a31009
1215915316
13aca9c1c
147086278
1549c7d7c
hex3293082

53031042 has 12 divisors (see below), whose sum is σ = 114900630. Its totient is φ = 17677008.

The previous prime is 53031023. The next prime is 53031067. The reversal of 53031042 is 24013035.

It can be written as a sum of positive squares in only one way, i.e., 33767721 + 19263321 = 5811^2 + 4389^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2946169 = 53031042 / (5 + 3 + 0 + 3 + 1 + 0 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1473067 + ... + 1473102.

Almost surely, 253031042 is an apocalyptic number.

53031042 is an abundant number, since it is smaller than the sum of its proper divisors (61869588).

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

53031042 is a wasteful number, since it uses less digits than its factorization.

53031042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946177 (or 2946174 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 53031042 is about 7282.2415505118. The cubic root of 53031042 is about 375.7018960920.

Adding to 53031042 its reverse (24013035), we get a palindrome (77044077).

The spelling of 53031042 in words is "fifty-three million, thirty-one thousand, forty-two".

Divisors: 1 2 3 6 9 18 2946169 5892338 8838507 17677014 26515521 53031042