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52388282 = 2191378639
BaseRepresentation
bin1100011111011…
…0000110111010
310122120121012202
43013312012322
5101402411112
65110510202
71204202342
oct307660672
9118517182
1052388282
1127632101
1215665362
13ab134ab
146d59d22
1548ec6c2
hex31f61ba

52388282 has 8 divisors (see below), whose sum is σ = 82718400. Its totient is φ = 24815484.

The previous prime is 52388279. The next prime is 52388299. The reversal of 52388282 is 28288325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1378639 = 52388282 / (5 + 2 + 3 + 8 + 8 + 2 + 8 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689282 + ... + 689357.

It is an arithmetic number, because the mean of its divisors is an integer number (10339800).

Almost surely, 252388282 is an apocalyptic number.

52388282 is a deficient number, since it is larger than the sum of its proper divisors (30330118).

52388282 is a wasteful number, since it uses less digits than its factorization.

52388282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378660.

The product of its digits is 61440, while the sum is 38.

The square root of 52388282 is about 7237.9749930488. The cubic root of 52388282 is about 374.1778301561.

The spelling of 52388282 in words is "fifty-two million, three hundred eighty-eight thousand, two hundred eighty-two".

Divisors: 1 2 19 38 1378639 2757278 26194141 52388282