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1005224140 = 225371358411
BaseRepresentation
bin111011111010101…
…000000011001100
32121001111200021201
4323322220003030
54024314133030
6243425235244
733624156424
oct7372500314
92531450251
101005224140
11476471858
12240792b24
13130348cab
149770b484
155d3b42ca
hex3bea80cc

1005224140 has 24 divisors (see below), whose sum is σ = 2168025552. Its totient is φ = 391222080.

The previous prime is 1005224119. The next prime is 1005224141. The reversal of 1005224140 is 414225001.

1005224140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1005224141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678466 + ... + 679945.

It is an arithmetic number, because the mean of its divisors is an integer number (90334398).

Almost surely, 21005224140 is an apocalyptic number.

1005224140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005224140 is an abundant number, since it is smaller than the sum of its proper divisors (1162801412).

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

1005224140 is a wasteful number, since it uses less digits than its factorization.

1005224140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358457 (or 1358455 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1005224140 is about 31705.2699089599. The cubic root of 1005224140 is about 1001.7383563661.

Adding to 1005224140 its reverse (414225001), we get a palindrome (1419449141).

The spelling of 1005224140 in words is "one billion, five million, two hundred twenty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 1358411 2716822 5433644 6792055 13584110 27168220 50261207 100522414 201044828 251306035 502612070 1005224140