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1027408356 = 22321319227509
BaseRepresentation
bin111101001111010…
…000000111100100
32122121020202022100
4331033100013210
54101004031411
6245540532100
734313553432
oct7517200744
92577222270
101027408356
11487a44117
122480b1030
13134b15650
149a643d52
15602e7456
hex3d3d01e4

1027408356 has 144 divisors (see below), whose sum is σ = 2962814400. Its totient is φ = 297582336.

The previous prime is 1027408313. The next prime is 1027408373. The reversal of 1027408356 is 6538047201.

1027408356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1027408356.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2018230 + ... + 2018738.

It is an arithmetic number, because the mean of its divisors is an integer number (20575100).

Almost surely, 21027408356 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 1027408356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1481407200).

1027408356 is an abundant number, since it is smaller than the sum of its proper divisors (1935406044).

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

1027408356 is a wasteful number, since it uses less digits than its factorization.

1027408356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1027408356 is about 32053.2113211765. The cubic root of 1027408356 is about 1009.0538982021.

The spelling of 1027408356 in words is "one billion, twenty-seven million, four hundred eight thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 13 18 19 26 36 38 39 52 57 76 78 114 117 156 171 227 228 234 247 342 454 468 494 509 681 684 741 908 988 1018 1362 1482 1527 2036 2043 2223 2724 2951 2964 3054 4086 4313 4446 4581 5902 6108 6617 8172 8626 8853 8892 9162 9671 11804 12939 13234 17252 17706 18324 19342 19851 25878 26468 26559 29013 35412 38684 38817 39702 51756 53118 56069 58026 59553 77634 79404 87039 106236 112138 115543 116052 119106 125723 155268 168207 174078 224276 231086 238212 251446 336414 346629 348156 377169 462172 502892 504621 672828 693258 754338 1009242 1039887 1131507 1386516 1502059 1508676 2018484 2079774 2195317 2263014 3004118 4159548 4390634 4506177 4526028 6008236 6585951 8781268 9012354 13171902 13518531 18024708 19757853 26343804 27037062 28539121 39515706 54074124 57078242 79031412 85617363 114156484 171234726 256852089 342469452 513704178 1027408356