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1008540228 = 223377928753
BaseRepresentation
bin111100000111010…
…001101001000100
32121021202011002210
4330013101221010
54031141241403
6244024303420
733664310343
oct7407215104
92537664083
101008540228
11478327223
12241911b70
13130c3a487
1497d31b5a
155d81bb03
hex3c1d1a44

1008540228 has 48 divisors (see below), whose sum is σ = 2447540480. Its totient is φ = 322942464.

The previous prime is 1008540227. The next prime is 1008540251. The reversal of 1008540228 is 8220458001.

It is a junction number, because it is equal to n+sod(n) for n = 1008540195 and 1008540204.

It is not an unprimeable number, because it can be changed into a prime (1008540227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20700 + ... + 49452.

Almost surely, 21008540228 is an apocalyptic number.

It is an amenable number.

1008540228 is an abundant number, since it is smaller than the sum of its proper divisors (1439000252).

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

1008540228 is a wasteful number, since it uses less digits than its factorization.

1008540228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28876 (or 28874 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 1008540228 is about 31757.5223844682. The cubic root of 1008540228 is about 1002.8386769550.

Adding to 1008540228 its reverse (8220458001), we get a palindrome (9228998229).

The spelling of 1008540228 in words is "one billion, eight million, five hundred forty thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 37 74 79 111 148 158 222 237 316 444 474 948 2923 5846 8769 11692 17538 28753 35076 57506 86259 115012 172518 345036 1063861 2127722 2271487 3191583 4255444 4542974 6383166 6814461 9085948 12766332 13628922 27257844 84045019 168090038 252135057 336180076 504270114 1008540228