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248210240 = 2652333329
BaseRepresentation
bin11101100101101…
…10001101000000
3122022001101102212
432302312031000
51002020211430
640344001252
76102516005
oct1662661500
9568041385
10248210240
11118121033
126b160228
133c566b85
1424d718ac
1516bcdb95
hexecb6340

248210240 has 56 divisors (see below), whose sum is σ = 593765640. Its totient is φ = 98828288.

The previous prime is 248210219. The next prime is 248210257. The reversal of 248210240 is 42012842.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2849344 + 245360896 = 1688^2 + 15664^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72896 + ... + 76224.

Almost surely, 2248210240 is an apocalyptic number.

248210240 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 248210240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296882820).

248210240 is an abundant number, since it is smaller than the sum of its proper divisors (345555400).

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

248210240 is a wasteful number, since it uses less digits than its factorization.

248210240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579 (or 3569 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 248210240 is about 15754.6894606019. The cubic root of 248210240 is about 628.4536190072.

The spelling of 248210240 in words is "two hundred forty-eight million, two hundred ten thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 233 320 466 932 1165 1864 2330 3329 3728 4660 6658 7456 9320 13316 14912 16645 18640 26632 33290 37280 53264 66580 74560 106528 133160 213056 266320 532640 775657 1065280 1551314 3102628 3878285 6205256 7756570 12410512 15513140 24821024 31026280 49642048 62052560 124105120 248210240