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248732393 = 71323311731
BaseRepresentation
bin11101101001101…
…01101011101001
3122100000220200212
432310311223221
51002133414033
640403110505
76110122220
oct1664655351
9570026625
10248732393
11118448368
126b372435
133c6ba740
1425069cb7
1516c83748
hexed35ae9

248732393 has 16 divisors (see below), whose sum is σ = 307472256. Its totient is φ = 195937920.

The previous prime is 248732381. The next prime is 248732399. The reversal of 248732393 is 393237842.

It is a cyclic number.

It is not a de Polignac number, because 248732393 - 26 = 248732329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248732393.

It is not an unprimeable number, because it can be changed into a prime (248732399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15338 + ... + 27068.

It is an arithmetic number, because the mean of its divisors is an integer number (19217016).

Almost surely, 2248732393 is an apocalyptic number.

It is an amenable number.

248732393 is a deficient number, since it is larger than the sum of its proper divisors (58739863).

248732393 is a wasteful number, since it uses less digits than its factorization.

248732393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11984.

The product of its digits is 217728, while the sum is 41.

The square root of 248732393 is about 15771.2521062850. The cubic root of 248732393 is about 628.8939971655.

The spelling of 248732393 in words is "two hundred forty-eight million, seven hundred thirty-two thousand, three hundred ninety-three".

Divisors: 1 7 13 91 233 1631 3029 11731 21203 82117 152503 1067521 2733323 19133261 35533199 248732393