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1992064 = 2779197
BaseRepresentation
bin111100110010110000000
310202012121011
413212112000
51002221224
6110410304
722634524
oct7462600
93665534
101992064
111140738
12800994
13549949
1439bd84
15295394
hex1e6580

1992064 has 32 divisors (see below), whose sum is σ = 4039200. Its totient is φ = 978432.

The previous prime is 1992049. The next prime is 1992073. The reversal of 1992064 is 4602991.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10014 + ... + 10210.

It is an arithmetic number, because the mean of its divisors is an integer number (126225).

21992064 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 1992064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2019600).

1992064 is an abundant number, since it is smaller than the sum of its proper divisors (2047136).

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

1992064 is an equidigital number, since it uses as much as digits as its factorization.

1992064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1992064 is about 1411.4049737761. The cubic root of 1992064 is about 125.8252385282.

The spelling of 1992064 in words is "one million, nine hundred ninety-two thousand, sixty-four".

Divisors: 1 2 4 8 16 32 64 79 128 158 197 316 394 632 788 1264 1576 2528 3152 5056 6304 10112 12608 15563 25216 31126 62252 124504 249008 498016 996032 1992064