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1992192 = 2931297
BaseRepresentation
bin111100110011000000000
310202012202220
413212120000
51002222232
6110411040
722635066
oct7463000
93665686
101992192
111140844
12800a80
13549a17
1439c036
1529542c
hex1e6600

1992192 has 40 divisors (see below), whose sum is σ = 5311416. Its totient is φ = 663552.

The previous prime is 1992181. The next prime is 1992197. The reversal of 1992192 is 2912991.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888 + ... + 2184.

21992192 is an apocalyptic number.

1992192 is a gapful number since it is divisible by the number (12) 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 1992192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2655708).

1992192 is an abundant number, since it is smaller than the sum of its proper divisors (3319224).

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

1992192 is an equidigital number, since it uses as much as digits as its factorization.

1992192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318 (or 1302 counting only the distinct ones).

The product of its digits is 2916, while the sum is 33.

The square root of 1992192 is about 1411.4503179354. The cubic root of 1992192 is about 125.8279334359.

The spelling of 1992192 in words is "one million, nine hundred ninety-two thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1297 1536 2594 3891 5188 7782 10376 15564 20752 31128 41504 62256 83008 124512 166016 249024 332032 498048 664064 996096 1992192