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53042210 = 25131724001
BaseRepresentation
bin1100101001010…
…1110000100010
310200210211020022
43022111300202
5102034322320
65132513442
71212565004
oct312256042
9120724208
1053042210
1127a39441
121591b882
13acb2030
14708a374
1549cb325
hex3295c22

53042210 has 32 divisors (see below), whose sum is σ = 108873072. Its totient is φ = 18432000.

The previous prime is 53042207. The next prime is 53042221. The reversal of 53042210 is 1224035.

It can be written as a sum of positive squares in 8 ways, for example, as 14341369 + 38700841 = 3787^2 + 6221^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9791 + ... + 14210.

Almost surely, 253042210 is an apocalyptic number.

53042210 is an abundant number, since it is smaller than the sum of its proper divisors (55830862).

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

53042210 is a wasteful number, since it uses less digits than its factorization.

53042210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24038.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 53042210 is about 7283.0083070116. The cubic root of 53042210 is about 375.7282677171.

Adding to 53042210 its reverse (1224035), we get a palindrome (54266245).

The spelling of 53042210 in words is "fifty-three million, forty-two thousand, two hundred ten".

Divisors: 1 2 5 10 13 17 26 34 65 85 130 170 221 442 1105 2210 24001 48002 120005 240010 312013 408017 624026 816034 1560065 2040085 3120130 4080170 5304221 10608442 26521105 53042210