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12844970 = 252944293
BaseRepresentation
bin110000111111…
…111110101010
3220011120222122
4300333332222
511242014340
61135151242
7214115615
oct60777652
926146878
1012844970
117283686
124375522
132879798
1419c517c
1511dadb5
hexc3ffaa

12844970 has 16 divisors (see below), whose sum is σ = 23918760. Its totient is φ = 4960704.

The previous prime is 12844961. The next prime is 12844981. The reversal of 12844970 is 7944821.

It can be written as a sum of positive squares in 4 ways, for example, as 12117361 + 727609 = 3481^2 + 853^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12844970.

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, 21857 + ... + 22436.

Almost surely, 212844970 is an apocalyptic number.

12844970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12844970 is a deficient number, since it is larger than the sum of its proper divisors (11073790).

12844970 is a wasteful number, since it uses less digits than its factorization.

12844970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44329.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12844970 is about 3583.9880022121. The cubic root of 12844970 is about 234.1950427796.

The spelling of 12844970 in words is "twelve million, eight hundred forty-four thousand, nine hundred seventy".

Divisors: 1 2 5 10 29 58 145 290 44293 88586 221465 442930 1284497 2568994 6422485 12844970