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250340461 = 725108989
BaseRepresentation
bin11101110101111…
…10010001101101
3122110001121112221
432322332101231
51003041343321
640501355341
76126600400
oct1672762155
9573047487
10250340461
11119346548
126ba08b51
133cb31667
1425367d37
1516e9ee41
hexeebe46d

250340461 has 6 divisors (see below), whose sum is σ = 291212430. Its totient is φ = 214577496.

The previous prime is 250340449. The next prime is 250340473. The reversal of 250340461 is 164043052.

It is an interprime number because it is at equal distance from previous prime (250340449) and next prime (250340473).

It can be written as a sum of positive squares in only one way, i.e., 144456361 + 105884100 = 12019^2 + 10290^2 .

It is not a de Polignac number, because 250340461 - 221 = 248243309 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 (250340411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2554446 + ... + 2554543.

It is an arithmetic number, because the mean of its divisors is an integer number (48535405).

Almost surely, 2250340461 is an apocalyptic number.

It is an amenable number.

250340461 is a deficient number, since it is larger than the sum of its proper divisors (40871969).

250340461 is an equidigital number, since it uses as much as digits as its factorization.

250340461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109003 (or 5108996 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 250340461 is about 15822.1509599675. The cubic root of 250340461 is about 630.2463645507.

The spelling of 250340461 in words is "two hundred fifty million, three hundred forty thousand, four hundred sixty-one".

Divisors: 1 7 49 5108989 35762923 250340461