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4000000250 = 253109229641
BaseRepresentation
bin1110111001101011…
…0010100011111010
3101022202201001210102
43232122302203322
531143000002000
61500525515402
7201060304211
oct35632624372
911282631712
104000000250
111772994434
12937712b62
134b992186c
1429d354078
151862753d5
hexee6b28fa

4000000250 has 64 divisors (see below), whose sum is σ = 7601536800. Its totient is φ = 1575936000.

The previous prime is 4000000241. The next prime is 4000000273. The reversal of 4000000250 is 520000004.

It can be written as a sum of positive squares in 16 ways, for example, as 557479321 + 3442520929 = 23611^2 + 58673^2 .

It is a sliding number, since 4000000250 = 250 + 4000000000 and 1/250 + 1/4000000000 = 0.004000000250.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6239930 + ... + 6240570.

Almost surely, 24000000250 is an apocalyptic number.

4000000250 is a deficient number, since it is larger than the sum of its proper divisors (3601536550).

4000000250 is a wasteful number, since it uses less digits than its factorization.

4000000250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 986 counting only the distinct ones).

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

The square root of 4000000250 is about 63245.5551797911. Note that the first 3 decimals coincide. The cubic root of 4000000250 is about 1587.4010850391.

Adding to 4000000250 its reverse (520000004), we get a palindrome (4520000254).

It can be divided in two parts, 4000000 and 250, that multiplied together give a 9-th power (1000000000 = 109).

The spelling of 4000000250 in words is "four billion, two hundred fifty", and thus it is an aban number.

Divisors: 1 2 5 10 25 50 109 125 218 229 250 458 545 641 1090 1145 1282 2290 2725 3205 5450 5725 6410 11450 13625 16025 24961 27250 28625 32050 49922 57250 69869 80125 124805 139738 146789 160250 249610 293578 349345 624025 698690 733945 1248050 1467890 1746725 3120125 3493450 3669725 6240250 7339450 8733625 16000001 17467250 18348625 32000002 36697250 80000005 160000010 400000025 800000050 2000000125 4000000250