Search a number
-
+
10644648 = 233763361
BaseRepresentation
bin101000100110…
…110010101000
3202000210201020
4220212302220
510211112043
61020052440
7156322650
oct50466250
922023636
1010644648
116010533
123694120
132289111
1415b1360
15e03e83
hexa26ca8

10644648 has 32 divisors (see below), whose sum is σ = 30413760. Its totient is φ = 3041280.

The previous prime is 10644643. The next prime is 10644661. The reversal of 10644648 is 84644601.

It is a super-2 number, since 2×106446482 = 226617062087808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10644643) 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, 31513 + ... + 31848.

It is an arithmetic number, because the mean of its divisors is an integer number (950430).

Almost surely, 210644648 is an apocalyptic number.

It is an amenable number.

10644648 is an abundant number, since it is smaller than the sum of its proper divisors (19769112).

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

10644648 is a wasteful number, since it uses less digits than its factorization.

10644648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63377 (or 63373 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 10644648 is about 3262.6136761805. The cubic root of 10644648 is about 219.9769121777.

The spelling of 10644648 in words is "ten million, six hundred forty-four thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 63361 126722 190083 253444 380166 443527 506888 760332 887054 1330581 1520664 1774108 2661162 3548216 5322324 10644648