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1065428 = 227132927
BaseRepresentation
bin100000100000111010100
32000010111022
410010013110
5233043203
634500312
712025130
oct4040724
92003438
101065428
11668521
12434698
132b3c40
141da3c0
15160a38
hex1041d4

1065428 has 24 divisors (see below), whose sum is σ = 2295552. Its totient is φ = 421344.

The previous prime is 1065409. The next prime is 1065433. The reversal of 1065428 is 8245601.

It is a super-2 number, since 2×10654282 = 2270273646368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1065397 and 1065406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100 + ... + 1827.

It is an arithmetic number, because the mean of its divisors is an integer number (95648).

21065428 is an apocalyptic number.

It is an amenable number.

1065428 is an abundant number, since it is smaller than the sum of its proper divisors (1230124).

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

1065428 is a wasteful number, since it uses less digits than its factorization.

1065428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951 (or 2949 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1065428 is about 1032.1957178752. The cubic root of 1065428 is about 102.1350255855.

The spelling of 1065428 in words is "one million, sixty-five thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 2927 5854 11708 20489 38051 40978 76102 81956 152204 266357 532714 1065428