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1940892 = 223161741
BaseRepresentation
bin111011001110110011100
310122121101220
413121312130
5444102032
6105333340
722332402
oct7316634
93577356
101940892
111106248
12797250
1352c575
14387472
1528512c
hex1d9d9c

1940892 has 12 divisors (see below), whose sum is σ = 4528776. Its totient is φ = 646960.

The previous prime is 1940881. The next prime is 1940893. The reversal of 1940892 is 2980491.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80859 + ... + 80882.

It is an arithmetic number, because the mean of its divisors is an integer number (377398).

21940892 is an apocalyptic number.

1940892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1940892 is an abundant number, since it is smaller than the sum of its proper divisors (2587884).

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

1940892 is a wasteful number, since it uses less digits than its factorization.

1940892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161748 (or 161746 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1940892 is about 1393.1590002580. The cubic root of 1940892 is about 124.7384825840.

The spelling of 1940892 in words is "one million, nine hundred forty thousand, eight hundred ninety-two".