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1244000230 = 251147713389
BaseRepresentation
bin100101000100101…
…1110111111100110
310012200210202111121
41022021132333212
510021431001410
6323235124154
742553553554
oct11211367746
93180722447
101244000230
11589229870
122a874365a
1316a95ba15
14bb304bd4
157432c9da
hex4a25efe6

1244000230 has 64 divisors (see below), whose sum is σ = 2530621440. Its totient is φ = 436374400.

The previous prime is 1244000171. The next prime is 1244000237. The reversal of 1244000230 is 320004421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244000237) 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, 365376 + ... + 368764.

It is an arithmetic number, because the mean of its divisors is an integer number (39540960).

Almost surely, 21244000230 is an apocalyptic number.

1244000230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244000230 is an abundant number, since it is smaller than the sum of its proper divisors (1286621210).

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

1244000230 is a wasteful number, since it uses less digits than its factorization.

1244000230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1244000230 is about 35270.3874376225. The cubic root of 1244000230 is about 1075.4910984917.

Adding to 1244000230 its reverse (320004421), we get a palindrome (1564004651).

The spelling of 1244000230 in words is "one billion, two hundred forty-four million, two hundred thirty", and thus it is an aban number.

Divisors: 1 2 5 10 11 22 47 55 71 94 110 142 235 355 470 517 710 781 1034 1562 2585 3337 3389 3905 5170 6674 6778 7810 16685 16945 33370 33890 36707 37279 73414 74558 159283 183535 186395 240619 318566 367070 372790 481238 796415 1203095 1592830 1752113 2406190 2646809 3504226 5293618 8760565 11309093 13234045 17521130 22618186 26468090 56545465 113090930 124400023 248800046 622000115 1244000230