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1996698624 = 21036789109
BaseRepresentation
bin111011100000011…
…0011010000000000
312011011010210120220
41313000303100000
513042123323444
6530044103040
7100323441534
oct16700632000
95134123526
101996698624
119350a2258
12478834a80
1325a88c79b
1414d279bc4
15ba45e619
hex77033400

1996698624 has 176 divisors, whose sum is σ = 5512161600. Its totient is φ = 642318336.

The previous prime is 1996698589. The next prime is 1996698629. The reversal of 1996698624 is 4268966991.

Its product of digits (10077696) is a multiple of the sum of its prime factors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996698629) 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 15 ways as a sum of consecutive naturals, for example, 18318282 + ... + 18318390.

It is an arithmetic number, because the mean of its divisors is an integer number (31319100).

Almost surely, 21996698624 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 1996698624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2756080800).

1996698624 is an abundant number, since it is smaller than the sum of its proper divisors (3515462976).

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

1996698624 is a wasteful number, since it uses less digits than its factorization.

1996698624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 270 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 60.

The square root of 1996698624 is about 44684.4337997026. The cubic root of 1996698624 is about 1259.2274225813.

The spelling of 1996698624 in words is "one billion, nine hundred ninety-six million, six hundred ninety-eight thousand, six hundred twenty-four".