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52251255 = 3257165877
BaseRepresentation
bin1100011101010…
…0101001110111
310122022122020200
43013110221313
5101334020010
65103531543
71203062010
oct307245167
9118278220
1052251255
1127549161
12155b9bb3
13aa96004
146d22007
1548c1cc0
hex31d4a77

52251255 has 24 divisors (see below), whose sum is σ = 103507872. Its totient is φ = 23886144.

The previous prime is 52251253. The next prime is 52251259. The reversal of 52251255 is 55215225.

It is not a de Polignac number, because 52251255 - 21 = 52251253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52251253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82624 + ... + 83253.

It is an arithmetic number, because the mean of its divisors is an integer number (4312828).

Almost surely, 252251255 is an apocalyptic number.

52251255 is a deficient number, since it is larger than the sum of its proper divisors (51256617).

52251255 is a wasteful number, since it uses less digits than its factorization.

52251255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165895 (or 165892 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 52251255 is about 7228.5029570444. The cubic root of 52251255 is about 373.8513116328.

The spelling of 52251255 in words is "fifty-two million, two hundred fifty-one thousand, two hundred fifty-five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 315 165877 497631 829385 1161139 1492893 2488155 3483417 5805695 7464465 10450251 17417085 52251255