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248775029 = 793149051
BaseRepresentation
bin11101101010000…
…00000101110101
3122100010002011222
432311000011311
51002141300104
640404040125
76110360426
oct1665000565
9570102158
10248775029
111184773a8
126b393045
133c703c79
142507b64d
1516c911be
hexed40175

248775029 has 4 divisors (see below), whose sum is σ = 251924160. Its totient is φ = 245625900.

The previous prime is 248775011. The next prime is 248775041. The reversal of 248775029 is 920577842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-248775029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248775049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1574447 + ... + 1574604.

It is an arithmetic number, because the mean of its divisors is an integer number (62981040).

Almost surely, 2248775029 is an apocalyptic number.

It is an amenable number.

248775029 is a deficient number, since it is larger than the sum of its proper divisors (3149131).

248775029 is an equidigital number, since it uses as much as digits as its factorization.

248775029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149130.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 248775029 is about 15772.6037482719. The cubic root of 248775029 is about 628.9299286771.

The spelling of 248775029 in words is "two hundred forty-eight million, seven hundred seventy-five thousand, twenty-nine".

Divisors: 1 79 3149051 248775029