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53198870 = 256837789
BaseRepresentation
bin1100101011110…
…0000000010110
310201002210010112
43022330000112
5102104330440
65140123022
71214116514
oct312740026
9121083115
1053198870
112803610a
1215996472
13b03842a
1470cb4b4
154a0c965
hex32bc016

53198870 has 16 divisors (see below), whose sum is σ = 95910480. Its totient is φ = 21245664.

The previous prime is 53198863. The next prime is 53198891. The reversal of 53198870 is 7889135.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2936 + ... + 10724.

It is an arithmetic number, because the mean of its divisors is an integer number (5994405).

Almost surely, 253198870 is an apocalyptic number.

53198870 is a deficient number, since it is larger than the sum of its proper divisors (42711610).

53198870 is a wasteful number, since it uses less digits than its factorization.

53198870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8479.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 53198870 is about 7293.7555484126. The cubic root of 53198870 is about 376.0978082280.

The spelling of 53198870 in words is "fifty-three million, one hundred ninety-eight thousand, eight hundred seventy".

Divisors: 1 2 5 10 683 1366 3415 6830 7789 15578 38945 77890 5319887 10639774 26599435 53198870