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1996480 = 26517367
BaseRepresentation
bin111100111011011000000
310202102122201
413213123000
51002341410
6110442544
722653433
oct7473300
93672581
101996480
111143a92
12803454
1354b965
1439d81a
1529683a
hex1e76c0

1996480 has 56 divisors (see below), whose sum is σ = 5047488. Its totient is φ = 749568.

The previous prime is 1996471. The next prime is 1996481. The reversal of 1996480 is 846991.

It is not an unprimeable number, because it can be changed into a prime (1996481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5257 + ... + 5623.

21996480 is an apocalyptic number.

1996480 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 1996480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2523744).

1996480 is an abundant number, since it is smaller than the sum of its proper divisors (3051008).

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

1996480 is a wasteful number, since it uses less digits than its factorization.

1996480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1996480 is about 1412.9685063723. The cubic root of 1996480 is about 125.9181462151.

The spelling of 1996480 in words is "one million, nine hundred ninety-six thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 136 160 170 272 320 340 367 544 680 734 1088 1360 1468 1835 2720 2936 3670 5440 5872 6239 7340 11744 12478 14680 23488 24956 29360 31195 49912 58720 62390 99824 117440 124780 199648 249560 399296 499120 998240 1996480