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1994410080 = 2533513172089
BaseRepresentation
bin111011011100000…
…0100100001100000
312010222211112022000
41312320010201200
513041032110310
6525523044000
7100265130435
oct16670044140
95128745260
101994410080
119338798a3
12477b10600
1325a26ac10
1414cc41b8c
15ba15b4c0
hex76e04860

1994410080 has 384 divisors, whose sum is σ = 7963401600. Its totient is φ = 461832192.

The previous prime is 1994410057. The next prime is 1994410153. The reversal of 1994410080 is 800144991.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 953676 + ... + 955764.

It is an arithmetic number, because the mean of its divisors is an integer number (20738025).

Almost surely, 21994410080 is an apocalyptic number.

1994410080 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 1994410080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3981700800).

1994410080 is an abundant number, since it is smaller than the sum of its proper divisors (5968991520).

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

1994410080 is a wasteful number, since it uses less digits than its factorization.

1994410080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143 (or 2129 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 1994410080 is about 44658.8186140207. The cubic root of 1994410080 is about 1258.7461449641.

The spelling of 1994410080 in words is "one billion, nine hundred ninety-four million, four hundred ten thousand, eighty".