Search a number
-
+
250000004 = 2262500001
BaseRepresentation
bin11101110011010…
…11001010000100
3122102102022112102
432321223022010
51003000000004
640450211232
76123651662
oct1671531204
9572368472
10250000004
11119133781
126b883b18
133ca426c7
14252b9c32
1516e3411e
hexee6b284

250000004 has 6 divisors (see below), whose sum is σ = 437500014. Its totient is φ = 125000000.

The previous prime is 249999991. The next prime is 250000013. The reversal of 250000004 is 400000052.

Adding to 250000004 its reverse (400000052), we get a palindrome (650000056).

It can be divided in two parts, 25000000 and 4, that multiplied together give a 8-th power (100000000 = 108).

250000004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 153016900 + 96983104 = 12370^2 + 9848^2 .

It is a sliding number, since 250000004 = 4 + 250000000 and 1/4 + 1/250000000 = 0.250000004.

It is a self number, because there is not a number n which added to its sum of digits gives 250000004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31249997 + ... + 31250004.

It is an arithmetic number, because the mean of its divisors is an integer number (72916669).

Almost surely, 2250000004 is an apocalyptic number.

It is an amenable number.

250000004 is a deficient number, since it is larger than the sum of its proper divisors (187500010).

250000004 is a wasteful number, since it uses less digits than its factorization.

250000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62500005 (or 62500003 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 250000004 is about 15811.3884273330. The cubic root of 250000004 is about 629.9605283072.

The spelling of 250000004 in words is "two hundred fifty million, four", and thus it is an aban number.

Divisors: 1 2 4 62500001 125000002 250000004