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1064648 = 231329353
BaseRepresentation
bin100000011111011001000
32000002102102
410003323020
5233032043
634452532
712022634
oct4037310
92002372
101064648
11667982
12434148
132b3790
141d9dc4
151606b8
hex103ec8

1064648 has 32 divisors (see below), whose sum is σ = 2230200. Its totient is φ = 473088.

The previous prime is 1064629. The next prime is 1064653. The reversal of 1064648 is 8464601.

It can be written as a sum of positive squares in 4 ways, for example, as 702244 + 362404 = 838^2 + 602^2 .

It is a super-2 number, since 2×10646482 = 2266950727808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 1064648.

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, 2840 + ... + 3192.

21064648 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 1064648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1115100).

1064648 is an abundant number, since it is smaller than the sum of its proper divisors (1165552).

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

1064648 is a wasteful number, since it uses less digits than its factorization.

1064648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1064648 is about 1031.8178133760. The cubic root of 1064648 is about 102.1100951447.

The spelling of 1064648 in words is "one million, sixty-four thousand, six hundred forty-eight".

Divisors: 1 2 4 8 13 26 29 52 58 104 116 232 353 377 706 754 1412 1508 2824 3016 4589 9178 10237 18356 20474 36712 40948 81896 133081 266162 532324 1064648