Search a number
-
+
1028006532 = 223378591583
BaseRepresentation
bin111101010001100…
…010001010000100
32122122101010212000
4331101202022010
54101132202112
6250001425300
734321624410
oct7521421204
92578333760
101028006532
11488312583
1224833b230
13134c949b7
149a75bd40
15603b47dc
hex3d462284

1028006532 has 96 divisors (see below), whose sum is σ = 3051417600. Its totient is φ = 293188896.

The previous prime is 1028006521. The next prime is 1028006549. The reversal of 1028006532 is 2356008201.

1028006532 is a `hidden beast` number, since 1 + 0 + 2 + 8 + 0 + 0 + 653 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1028006496 and 1028006505.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 648613 + ... + 650195.

It is an arithmetic number, because the mean of its divisors is an integer number (31785600).

Almost surely, 21028006532 is an apocalyptic number.

1028006532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028006532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1525708800).

1028006532 is an abundant number, since it is smaller than the sum of its proper divisors (2023411068).

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

1028006532 is a wasteful number, since it uses less digits than its factorization.

1028006532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462 (or 2454 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1028006532 is about 32062.5409473423. The cubic root of 1028006532 is about 1009.2496901084.

The spelling of 1028006532 in words is "one billion, twenty-eight million, six thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 859 1583 1718 2577 3166 3436 4749 5154 6013 6332 7731 9498 10308 11081 12026 14247 15462 18039 18996 22162 23193 24052 28494 30924 33243 36078 42741 44324 46386 54117 56988 66486 72156 85482 92772 99729 108234 132972 162351 170964 199458 216468 299187 324702 398916 598374 649404 1196748 1359797 2719594 4079391 5439188 8158782 9518579 12238173 16317564 19037158 24476346 28555737 36714519 38074316 48952692 57111474 73429038 85667211 114222948 146858076 171334422 257001633 342668844 514003266 1028006532