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1327068640 = 25537972311
BaseRepresentation
bin100111100011001…
…0111010111100000
310102111010001221101
41033012113113200
510204212144030
6335403404144
744612616532
oct11706272740
93374101841
101327068640
11621106347
12310523654
13181c24921
14c8369852
157b78a7ca
hex4f1975e0

1327068640 has 96 divisors (see below), whose sum is σ = 3254537664. Its totient is φ = 510935040.

The previous prime is 1327068619. The next prime is 1327068667. The reversal of 1327068640 is 468607231.

It is a super-2 number, since 2×13270686402 = 3522222350542899200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 1327068640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573085 + ... + 575395.

It is an arithmetic number, because the mean of its divisors is an integer number (33901434).

Almost surely, 21327068640 is an apocalyptic number.

1327068640 is a gapful number since it is divisible by the number (10) 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 1327068640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1627268832).

1327068640 is an abundant number, since it is smaller than the sum of its proper divisors (1927469024).

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

1327068640 is a wasteful number, since it uses less digits than its factorization.

1327068640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460 (or 2452 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1327068640 is about 36428.9533201271. The cubic root of 1327068640 is about 1098.9159126624.

The spelling of 1327068640 in words is "one billion, three hundred twenty-seven million, sixty-eight thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 37 40 74 80 97 148 160 185 194 296 370 388 485 592 740 776 970 1184 1480 1552 1940 2311 2960 3104 3589 3880 4622 5920 7178 7760 9244 11555 14356 15520 17945 18488 23110 28712 35890 36976 46220 57424 71780 73952 85507 92440 114848 143560 171014 184880 224167 287120 342028 369760 427535 448334 574240 684056 855070 896668 1120835 1368112 1710140 1793336 2241670 2736224 3420280 3586672 4483340 6840560 7173344 8294179 8966680 13681120 16588358 17933360 33176716 35866720 41470895 66353432 82941790 132706864 165883580 265413728 331767160 663534320 1327068640