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248397240 = 233571323243
BaseRepresentation
bin11101100111000…
…11110110111000
3122022101212221210
432303203312320
51002042202430
640352003120
76104225130
oct1663436670
9568355853
10248397240
11118239583
126b2304a0
133c601020
1424dbdac0
1516c192b0
hexece3db8

248397240 has 384 divisors, whose sum is σ = 981066240. Its totient is φ = 48964608.

The previous prime is 248397223. The next prime is 248397271. The reversal of 248397240 is 42793842.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 5776659 + ... + 5776701.

It is an arithmetic number, because the mean of its divisors is an integer number (2554860).

Almost surely, 2248397240 is an apocalyptic number.

248397240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 248397240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490533120).

248397240 is an abundant number, since it is smaller than the sum of its proper divisors (732669000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

248397240 is a wasteful number, since it uses less digits than its factorization.

248397240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 248397240 is about 15760.6230841296. The cubic root of 248397240 is about 628.6114036954.

The spelling of 248397240 in words is "two hundred forty-eight million, three hundred ninety-seven thousand, two hundred forty".