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1002421050 = 235215144257
BaseRepresentation
bin111011101111111…
…011101100111010
32120212020021011120
4323233323230322
54023104433200
6243245210110
733561303231
oct7357735472
92525207146
101002421050
11474927854
1223b860936
1312c8a7167
14971bbb18
155d00d9a0
hex3bbfbb3a

1002421050 has 48 divisors (see below), whose sum is σ = 2502524352. Its totient is φ = 265536000.

The previous prime is 1002421009. The next prime is 1002421051. The reversal of 1002421050 is 501242001.

It is a super-2 number, since 2×10024210502 = 2009695922966205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1002421051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 522 + ... + 44778.

It is an arithmetic number, because the mean of its divisors is an integer number (52135924).

Almost surely, 21002421050 is an apocalyptic number.

1002421050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002421050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251262176).

1002421050 is an abundant number, since it is smaller than the sum of its proper divisors (1500103302).

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

1002421050 is a wasteful number, since it uses less digits than its factorization.

1002421050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44423 (or 44418 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1002421050 is about 31661.0336217882. The cubic root of 1002421050 is about 1000.8063662653.

Adding to 1002421050 its reverse (501242001), we get a palindrome (1503663051).

The spelling of 1002421050 in words is "one billion, two million, four hundred twenty-one thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 151 302 453 755 906 1510 2265 3775 4530 7550 11325 22650 44257 88514 132771 221285 265542 442570 663855 1106425 1327710 2212850 3319275 6638550 6682807 13365614 20048421 33414035 40096842 66828070 100242105 167070175 200484210 334140350 501210525 1002421050