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2195942 = 271011553
BaseRepresentation
bin1000011000000111100110
311010120021012
420120013212
51030232232
6115022222
724444110
oct10300746
94116235
102195942
11126a931
1289a972
135bb698
144123b0
152d59b2
hex2181e6

2195942 has 16 divisors (see below), whose sum is σ = 3804192. Its totient is φ = 931200.

The previous prime is 2195933. The next prime is 2195969. The reversal of 2195942 is 2495912.

It is a super-3 number, since 3×21959423 = 31767559373333510664, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2195899 and 2195908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638 + ... + 2190.

It is an arithmetic number, because the mean of its divisors is an integer number (237762).

22195942 is an apocalyptic number.

2195942 is a deficient number, since it is larger than the sum of its proper divisors (1608250).

2195942 is a wasteful number, since it uses less digits than its factorization.

2195942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663.

The product of its digits is 6480, while the sum is 32.

The square root of 2195942 is about 1481.8711145036. The cubic root of 2195942 is about 129.9791287993.

The spelling of 2195942 in words is "two million, one hundred ninety-five thousand, nine hundred forty-two".

Divisors: 1 2 7 14 101 202 707 1414 1553 3106 10871 21742 156853 313706 1097971 2195942