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1253303212 = 2272313071489
BaseRepresentation
bin100101010110011…
…1110001110101100
310020100022101210111
41022230332032230
510031321200322
6324210345404
743025621140
oct11254761654
93210271714
101253303212
11593503287
122ab88b264
1316c868245
14bc647220
1575069177
hex4ab3e3ac

1253303212 has 48 divisors (see below), whose sum is σ = 2619348480. Its totient is φ = 513038592.

The previous prime is 1253303209. The next prime is 1253303231. The reversal of 1253303212 is 2123033521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840964 + ... + 842452.

It is an arithmetic number, because the mean of its divisors is an integer number (54569760).

Almost surely, 21253303212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1253303212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309674240).

1253303212 is an abundant number, since it is smaller than the sum of its proper divisors (1366045268).

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

1253303212 is a wasteful number, since it uses less digits than its factorization.

1253303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1253303212 is about 35402.0227105740. The cubic root of 1253303212 is about 1078.1653843552.

Adding to 1253303212 its reverse (2123033521), we get a palindrome (3376336733).

The spelling of 1253303212 in words is "one billion, two hundred fifty-three million, three hundred three thousand, two hundred twelve".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 1307 1489 2614 2978 5228 5956 9149 10423 18298 20846 30061 34247 36596 41692 60122 68494 120244 136988 210427 239729 420854 479458 841708 958916 1946123 3892246 7784492 13622861 27245722 44760829 54491444 89521658 179043316 313325803 626651606 1253303212