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1230010340 = 225134730809
BaseRepresentation
bin100100101010000…
…0111011111100100
310011201110222222112
41021110013133210
510004340312330
6322015220152
742323625656
oct11124073744
93151428875
101230010340
11581343a79
122a3b17658
13167aa1090
14b95026d6
1572eb7795
hex495077e4

1230010340 has 24 divisors (see below), whose sum is σ = 2781716280. Its totient is φ = 454157568.

The previous prime is 1230010303. The next prime is 1230010357. The reversal of 1230010340 is 430100321.

It can be written as a sum of positive squares in 4 ways, for example, as 248566756 + 981443584 = 15766^2 + 31328^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2365145 + ... + 2365664.

It is an arithmetic number, because the mean of its divisors is an integer number (115904845).

Almost surely, 21230010340 is an apocalyptic number.

1230010340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230010340 is an abundant number, since it is smaller than the sum of its proper divisors (1551705940).

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

1230010340 is a wasteful number, since it uses less digits than its factorization.

1230010340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4730831 (or 4730829 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1230010340 is about 35071.5032469382. The cubic root of 1230010340 is about 1071.4442720408. Note that the first 3 decimals are identical.

Adding to 1230010340 its reverse (430100321), we get a palindrome (1660110661).

The spelling of 1230010340 in words is "one billion, two hundred thirty million, ten thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 4730809 9461618 18923236 23654045 47308090 61500517 94616180 123001034 246002068 307502585 615005170 1230010340