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53212130 = 2561831051
BaseRepresentation
bin1100101011111…
…1001111100010
310201010110022122
43022333033202
5102110242010
65140304242
71214203256
oct312771742
9121113278
1053212130
1128045074
12159a2082
13b04148a
1470d2266
154a11855
hex32bf3e2

53212130 has 32 divisors (see below), whose sum is σ = 98618688. Its totient is φ = 20664000.

The previous prime is 53212079. The next prime is 53212139. The reversal of 53212130 is 3121235.

It is a junction number, because it is equal to n+sod(n) for n = 53212099 and 53212108.

It is not an unprimeable number, because it can be changed into a prime (53212139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50105 + ... + 51155.

It is an arithmetic number, because the mean of its divisors is an integer number (3081834).

Almost surely, 253212130 is an apocalyptic number.

53212130 is a deficient number, since it is larger than the sum of its proper divisors (45406558).

53212130 is a wasteful number, since it uses less digits than its factorization.

53212130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 53212130 is about 7294.6644885149. The cubic root of 53212130 is about 376.1290535197.

Adding to 53212130 its reverse (3121235), we get a palindrome (56333365).

The spelling of 53212130 in words is "fifty-three million, two hundred twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 61 83 122 166 305 415 610 830 1051 2102 5063 5255 10126 10510 25315 50630 64111 87233 128222 174466 320555 436165 641110 872330 5321213 10642426 26606065 53212130