Search a number
-
+
1001224250 = 25313714339
BaseRepresentation
bin111011101011010…
…111100000111010
32120202222110110122
4323223113200322
54022303134000
6243203413242
733545160065
oct7353274072
92522873418
101001224250
1147418a664
1223b384222
1312c5784b0
1496d898dc
155cd74085
hex3bad783a

1001224250 has 64 divisors (see below), whose sum is σ = 2047368960. Its totient is φ = 364392000.

The previous prime is 1001224249. The next prime is 1001224271. The reversal of 1001224250 is 524221001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228581 + ... + 232919.

It is an arithmetic number, because the mean of its divisors is an integer number (31990140).

Almost surely, 21001224250 is an apocalyptic number.

1001224250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001224250 is an abundant number, since it is smaller than the sum of its proper divisors (1046144710).

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

1001224250 is a wasteful number, since it uses less digits than its factorization.

1001224250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440 (or 4430 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1001224250 is about 31642.1277729548. The cubic root of 1001224250 is about 1000.4079169145.

Adding to 1001224250 its reverse (524221001), we get a palindrome (1525445251).

The spelling of 1001224250 in words is "one billion, one million, two hundred twenty-four thousand, two hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 71 125 130 142 250 325 355 650 710 923 1625 1775 1846 3250 3550 4339 4615 8678 8875 9230 17750 21695 23075 43390 46150 56407 108475 112814 115375 216950 230750 282035 308069 542375 564070 616138 1084750 1410175 1540345 2820350 3080690 4004897 7050875 7701725 8009794 14101750 15403450 20024485 38508625 40048970 77017250 100122425 200244850 500612125 1001224250