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12302948 = 2273491259
BaseRepresentation
bin101110111011…
…101001100100
3212011001110202
4232323221210
511122143243
61115410032
7206400440
oct56735144
925131422
1012302948
116a43429
124153918
132719b68
1418c3820
1511304b8
hexbbba64

12302948 has 24 divisors (see below), whose sum is σ = 24696000. Its totient is φ = 5253408.

The previous prime is 12302947. The next prime is 12302957. The reversal of 12302948 is 84920321.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 12302948.

It is not an unprimeable number, because it can be changed into a prime (12302947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9143 + ... + 10401.

It is an arithmetic number, because the mean of its divisors is an integer number (1029000).

Almost surely, 212302948 is an apocalyptic number.

It is an amenable number.

12302948 is an abundant number, since it is smaller than the sum of its proper divisors (12393052).

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

12302948 is a wasteful number, since it uses less digits than its factorization.

12302948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619 (or 1617 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 12302948 is about 3507.5558441741. Note that the first 3 decimals coincide. The cubic root of 12302948 is about 230.8534642814.

The spelling of 12302948 in words is "twelve million, three hundred two thousand, nine hundred forty-eight".

Divisors: 1 2 4 7 14 28 349 698 1259 1396 2443 2518 4886 5036 8813 9772 17626 35252 439391 878782 1757564 3075737 6151474 12302948