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1230210332 = 221389265819
BaseRepresentation
bin100100101010011…
…1000010100011100
310011201212011022122
41021110320110130
510004413212312
6322023402112
742325421021
oct11124702434
93151764278
101230210332
1158147025a
122a3bb3338
13167b41110
14b9555548
1573006b72
hex4953851c

1230210332 has 24 divisors (see below), whose sum is σ = 2344532400. Its totient is φ = 561407616.

The previous prime is 1230210307. The next prime is 1230210341. The reversal of 1230210332 is 2330120321.

It is a self number, because there is not a number n which added to its sum of digits gives 1230210332.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 128282 + ... + 137537.

It is an arithmetic number, because the mean of its divisors is an integer number (97688850).

Almost surely, 21230210332 is an apocalyptic number.

It is an amenable number.

1230210332 is a deficient number, since it is larger than the sum of its proper divisors (1114322068).

1230210332 is a wasteful number, since it uses less digits than its factorization.

1230210332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265925 (or 265923 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1230210332 is about 35074.3543347558. The cubic root of 1230210332 is about 1071.5023389430.

Adding to 1230210332 its reverse (2330120321), we get a palindrome (3560330653).

The spelling of 1230210332 in words is "one billion, two hundred thirty million, two hundred ten thousand, three hundred thirty-two".

Divisors: 1 2 4 13 26 52 89 178 356 1157 2314 4628 265819 531638 1063276 3455647 6911294 13822588 23657891 47315782 94631564 307552583 615105166 1230210332