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1045968 = 243711283
BaseRepresentation
bin11111111010111010000
31222010210120
43333113100
5231432333
634230240
711614320
oct3772720
91863716
101045968
11654940
12425380
132a8121
141d3280
15159db3
hexff5d0

1045968 has 80 divisors (see below), whose sum is σ = 3380736. Its totient is φ = 270720.

The previous prime is 1045963. The next prime is 1045981. The reversal of 1045968 is 8695401.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3555 + ... + 3837.

21045968 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 1045968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1690368).

1045968 is an abundant number, since it is smaller than the sum of its proper divisors (2334768).

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

1045968 is a wasteful number, since it uses less digits than its factorization.

1045968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1045968 is about 1022.7257696959. The cubic root of 1045968 is about 101.5093700653.

The spelling of 1045968 in words is "one million, forty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 56 66 77 84 88 112 132 154 168 176 231 264 283 308 336 462 528 566 616 849 924 1132 1232 1698 1848 1981 2264 3113 3396 3696 3962 4528 5943 6226 6792 7924 9339 11886 12452 13584 15848 18678 21791 23772 24904 31696 37356 43582 47544 49808 65373 74712 87164 95088 130746 149424 174328 261492 348656 522984 1045968