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1992960 = 28325173
BaseRepresentation
bin111100110100100000000
310202020211100
413212210000
51002233320
6110414400
722640244
oct7464400
93666740
101992960
111141382
12801400
1354a188
1439c424
15295790
hex1e6900

1992960 has 108 divisors (see below), whose sum is σ = 6935292. Its totient is φ = 528384.

The previous prime is 1992953. The next prime is 1992971. The reversal of 1992960 is 692991.

It can be written as a sum of positive squares in 2 ways, for example, as 1327104 + 665856 = 1152^2 + 816^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11434 + ... + 11606.

21992960 is an apocalyptic number.

1992960 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 1992960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3467646).

1992960 is an abundant number, since it is smaller than the sum of its proper divisors (4942332).

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

1992960 is a wasteful number, since it uses less digits than its factorization.

1992960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 1992960 is about 1411.7223523059. The cubic root of 1992960 is about 125.8441004582.

The spelling of 1992960 in words is "one million, nine hundred ninety-two thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 173 180 192 240 256 288 320 346 360 384 480 519 576 640 692 720 768 865 960 1038 1152 1280 1384 1440 1557 1730 1920 2076 2304 2595 2768 2880 3114 3460 3840 4152 5190 5536 5760 6228 6920 7785 8304 10380 11072 11520 12456 13840 15570 16608 20760 22144 24912 27680 31140 33216 41520 44288 49824 55360 62280 66432 83040 99648 110720 124560 132864 166080 199296 221440 249120 332160 398592 498240 664320 996480 1992960