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1244340250 = 253232972
BaseRepresentation
bin100101000101011…
…0010000000011010
310012201110000220221
41022022302000122
510022022342000
6323250310254
742556501066
oct11212620032
93181400827
101244340250
1158944127a
122a888838a
1316aa4a70a
14bb392aa6
157439861a
hex4a2b201a

1244340250 has 72 divisors (see below), whose sum is σ = 2460449628. Its totient is φ = 471187200.

The previous prime is 1244340247. The next prime is 1244340259. The reversal of 1244340250 is 520434421.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 20529961 + 1223810289 = 4531^2 + 34983^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1244340259) 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 35 ways as a sum of consecutive naturals, for example, 12828202 + ... + 12828298.

Almost surely, 21244340250 is an apocalyptic number.

1244340250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244340250 is a deficient number, since it is larger than the sum of its proper divisors (1216109378).

1244340250 is an frugal number, since it uses more digits than its factorization.

1244340250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1244340250 is about 35275.2072991783. The cubic root of 1244340250 is about 1075.5890768151.

Adding to 1244340250 its reverse (520434421), we get a palindrome (1764774671).

The spelling of 1244340250 in words is "one billion, two hundred forty-four million, three hundred forty thousand, two hundred fifty".

Divisors: 1 2 5 10 23 25 46 50 97 115 125 194 230 250 485 529 575 970 1058 1150 2231 2425 2645 2875 4462 4850 5290 5750 9409 11155 12125 13225 18818 22310 24250 26450 47045 51313 55775 66125 94090 102626 111550 132250 216407 235225 256565 278875 432814 470450 513130 557750 1082035 1176125 1282825 2164070 2352250 2565650 4977361 5410175 6414125 9954722 10820350 12828250 24886805 27050875 49773610 54101750 124434025 248868050 622170125 1244340250