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250705030 = 2525070503
BaseRepresentation
bin11101111000101…
…11010010000110
3122110202010122111
432330113102012
51003140030110
640513251234
76132646312
oct1674272206
9573663574
10250705030
11119575444
126bb63b1a
133cc2b594
1425420b42
1517022e8a
hexef17486

250705030 has 8 divisors (see below), whose sum is σ = 451269072. Its totient is φ = 100282008.

The previous prime is 250705009. The next prime is 250705033. The reversal of 250705030 is 30507052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 250704992 and 250705010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250705033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12535242 + ... + 12535261.

It is an arithmetic number, because the mean of its divisors is an integer number (56408634).

Almost surely, 2250705030 is an apocalyptic number.

250705030 is a deficient number, since it is larger than the sum of its proper divisors (200564042).

250705030 is a wasteful number, since it uses less digits than its factorization.

250705030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25070510.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 250705030 is about 15833.6676105064. The cubic root of 250705030 is about 630.5521572293.

The spelling of 250705030 in words is "two hundred fifty million, seven hundred five thousand, thirty".

Divisors: 1 2 5 10 25070503 50141006 125352515 250705030