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248707393 = 1122970877
BaseRepresentation
bin11101101001011…
…11100101000001
3122022222122101221
432310233211001
51002132114033
640402355041
76106656304
oct1664574501
9568878357
10248707393
11118430600
126b35ba81
133c6ac24c
1425060b3b
1516c7b12d
hexed2f941

248707393 has 12 divisors (see below), whose sum is σ = 282803220. Its totient is φ = 218298080.

The previous prime is 248707379. The next prime is 248707411. The reversal of 248707393 is 393707842.

It can be written as a sum of positive squares in 2 ways, for example, as 207014544 + 41692849 = 14388^2 + 6457^2 .

It is not a de Polignac number, because 248707393 - 213 = 248699201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248707343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31930 + ... + 38947.

It is an arithmetic number, because the mean of its divisors is an integer number (23566935).

Almost surely, 2248707393 is an apocalyptic number.

It is an amenable number.

248707393 is a deficient number, since it is larger than the sum of its proper divisors (34095827).

248707393 is a wasteful number, since it uses less digits than its factorization.

248707393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70928 (or 70917 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 248707393 is about 15770.4595050366. The cubic root of 248707393 is about 628.8729264926.

The spelling of 248707393 in words is "two hundred forty-eight million, seven hundred seven thousand, three hundred ninety-three".

Divisors: 1 11 29 121 319 3509 70877 779647 2055433 8576117 22609763 248707393