Search a number
-
+
415400250 = 2353553867
BaseRepresentation
bin11000110000101…
…000000100111010
31001221122112000110
4120300220010322
51322320302000
6105115245150
713202562306
oct3060500472
91057575013
10415400250
111a35343a1
12b71497b6
13680a4185
143d252d06
1526706850
hex18c2813a

415400250 has 32 divisors (see below), whose sum is σ = 1036840896. Its totient is φ = 110773200.

The previous prime is 415400243. The next prime is 415400257. The reversal of 415400250 is 52004514.

It is an interprime number because it is at equal distance from previous prime (415400243) and next prime (415400257).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (415400257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276184 + ... + 277683.

It is an arithmetic number, because the mean of its divisors is an integer number (32401278).

Almost surely, 2415400250 is an apocalyptic number.

415400250 is an abundant number, since it is smaller than the sum of its proper divisors (621440646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

415400250 is a wasteful number, since it uses less digits than its factorization.

415400250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553887 (or 553877 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 415400250 is about 20381.3701698389. The cubic root of 415400250 is about 746.1433130593.

Adding to 415400250 its reverse (52004514), we get a palindrome (467404764).

The spelling of 415400250 in words is "four hundred fifteen million, four hundred thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 750 553867 1107734 1661601 2769335 3323202 5538670 8308005 13846675 16616010 27693350 41540025 69233375 83080050 138466750 207700125 415400250