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1072431712 = 25112477183
BaseRepresentation
bin111111111011000…
…000001001100000
32202201222011202001
4333323000021200
54144020303322
6254225533344
735401343032
oct7773001140
92681864661
101072431712
115003a5900
1225b1a4254
1314124a7a1
14a2603c52
156423c827
hex3fec0260

1072431712 has 144 divisors (see below), whose sum is σ = 2432457216. Its totient is φ = 464710400.

The previous prime is 1072431683. The next prime is 1072431719. The reversal of 1072431712 is 2171342701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072431719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12920823 + ... + 12920905.

It is an arithmetic number, because the mean of its divisors is an integer number (16892064).

Almost surely, 21072431712 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 1072431712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1216228608).

1072431712 is an abundant number, since it is smaller than the sum of its proper divisors (1360025504).

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

1072431712 is a wasteful number, since it uses less digits than its factorization.

1072431712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 1072431712 is about 32748.0031757663. The cubic root of 1072431712 is about 1023.5833571116.

It can be divided in two parts, 10724 and 31712, that added together give a square (42436 = 2062).

The spelling of 1072431712 in words is "one billion, seventy-two million, four hundred thirty-one thousand, seven hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 47 71 83 88 94 121 142 166 176 188 242 284 332 352 376 484 517 568 664 752 781 913 968 1034 1136 1328 1504 1562 1826 1936 2068 2272 2656 3124 3337 3652 3872 3901 4136 5687 5893 6248 6674 7304 7802 8272 8591 10043 11374 11786 12496 13348 14608 15604 16544 17182 20086 22748 23572 24992 26696 29216 31208 34364 36707 40172 42911 45496 47144 53392 62416 64823 68728 73414 80344 85822 90992 94288 106784 124832 129646 137456 146828 160688 171644 181984 188576 259292 274912 276971 293656 321376 343288 403777 472021 518584 553942 587312 686576 713053 807554 944042 1037168 1107884 1174624 1373152 1426106 1615108 1888084 2074336 2215768 2852212 3046681 3230216 3776168 4431536 5704424 6093362 6460432 7552336 8863072 11408848 12186724 12920864 15104672 22817696 24373448 33513491 48746896 67026982 97493792 134053964 268107928 536215856 1072431712