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1321000230 = 235118874513
BaseRepresentation
bin100111010111100…
…1101110100100110
310102001200202122110
41032233031310212
510201134001410
6335025341450
744510213424
oct11657156446
93361622573
101321000230
11618741030
1230a497886
131808ab754
14c762a114
157ae8c720
hex4ebcdd26

1321000230 has 64 divisors (see below), whose sum is σ = 3463285248. Its totient is φ = 319810560.

The previous prime is 1321000217. The next prime is 1321000237. The reversal of 1321000230 is 320001231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321000237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290454 + ... + 294966.

It is an arithmetic number, because the mean of its divisors is an integer number (54113832).

Almost surely, 21321000230 is an apocalyptic number.

1321000230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321000230 is an abundant number, since it is smaller than the sum of its proper divisors (2142285018).

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

1321000230 is a wasteful number, since it uses less digits than its factorization.

1321000230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1321000230 is about 36345.5668548449. The cubic root of 1321000230 is about 1097.2383146760.

Adding to 1321000230 its reverse (320001231), we get a palindrome (1641001461).

The spelling of 1321000230 in words is "one billion, three hundred twenty-one million, two hundred thirty", and thus it is an aban number.

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 887 1774 2661 4435 4513 5322 8870 9026 9757 13305 13539 19514 22565 26610 27078 29271 45130 48785 49643 58542 67695 97570 99286 135390 146355 148929 248215 292710 297858 496430 744645 1489290 4003031 8006062 12009093 20015155 24018186 40030310 44033341 60045465 88066682 120090930 132100023 220166705 264200046 440333410 660500115 1321000230