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2031942 = 2311171811
BaseRepresentation
bin111110000000101000110
310211020022010
413300011012
51010010232
6111315050
723162013
oct7600506
93736263
102031942
1111686a0
1281ba86
13561b43
143ac70a
152a20cc
hex1f0146

2031942 has 32 divisors (see below), whose sum is σ = 4696704. Its totient is φ = 579200.

The previous prime is 2031937. The next prime is 2031961. The reversal of 2031942 is 2491302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217 + ... + 2027.

It is an arithmetic number, because the mean of its divisors is an integer number (146772).

22031942 is an apocalyptic number.

2031942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2348352).

2031942 is an abundant number, since it is smaller than the sum of its proper divisors (2664762).

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

2031942 is a wasteful number, since it uses less digits than its factorization.

2031942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2031942 is about 1425.4620303607. The cubic root of 2031942 is about 126.6593055125.

It can be divided in two parts, 203 and 1942, that added together give a triangular number (2145 = T65).

The spelling of 2031942 in words is "two million, thirty-one thousand, nine hundred forty-two".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 102 187 374 561 1122 1811 3622 5433 10866 19921 30787 39842 59763 61574 92361 119526 184722 338657 677314 1015971 2031942