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1992984 = 233711863
BaseRepresentation
bin111100110100100011000
310202020212020
413212210120
51002233414
6110414440
722640310
oct7464430
93666766
101992984
1111413a4
12801420
1354a1a6
1439c440
152957a9
hex1e6918

1992984 has 32 divisors (see below), whose sum is σ = 5694720. Its totient is φ = 569376.

The previous prime is 1992983. The next prime is 1993031. The reversal of 1992984 is 4892991.

1992984 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5764 + ... + 6099.

It is an arithmetic number, because the mean of its divisors is an integer number (177960).

21992984 is an apocalyptic number.

1992984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1992984 is an abundant number, since it is smaller than the sum of its proper divisors (3701736).

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

1992984 is a wasteful number, since it uses less digits than its factorization.

1992984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11879 (or 11875 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 1992984 is about 1411.7308525353. The cubic root of 1992984 is about 125.8446056108.

The spelling of 1992984 in words is "one million, nine hundred ninety-two thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 11863 23726 35589 47452 71178 83041 94904 142356 166082 249123 284712 332164 498246 664328 996492 1992984