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248775030 = 23357131627
BaseRepresentation
bin11101101010000…
…00000101110110
3122100010002012000
432311000011312
51002141300110
640404040130
76110360430
oct1665000566
9570102160
10248775030
111184773a9
126b393046
133c703c7a
142507b650
1516c911c0
hexed40176

248775030 has 64 divisors (see below), whose sum is σ = 758177280. Its totient is φ = 56862432.

The previous prime is 248775011. The next prime is 248775041. The reversal of 248775030 is 30577842.

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 31 ways as a sum of consecutive naturals, for example, 63924 + ... + 67703.

It is an arithmetic number, because the mean of its divisors is an integer number (11846520).

Almost surely, 2248775030 is an apocalyptic number.

248775030 is an abundant number, since it is smaller than the sum of its proper divisors (509402250).

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

248775030 is a wasteful number, since it uses less digits than its factorization.

248775030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131650 (or 131644 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 248775030 is about 15772.6037799724. The cubic root of 248775030 is about 628.9299295198.

The spelling of 248775030 in words is "two hundred forty-eight million, seven hundred seventy-five thousand, thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 90 105 126 135 189 210 270 315 378 630 945 1890 131627 263254 394881 658135 789762 921389 1184643 1316270 1842778 1974405 2369286 2764167 3553929 3948810 4606945 5528334 5923215 7107858 8292501 9213890 11846430 13820835 16585002 17769645 24877503 27641670 35539290 41462505 49755006 82925010 124387515 248775030