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195349742 = 2729481157
BaseRepresentation
bin10111010010011…
…00110011101110
3111121120210110122
423221030303232
5400002142432
631215004542
74561305530
oct1351146356
9447523418
10195349742
11a02a7175
1255509752
1331619783
141bd31850
151223b612
hexba4ccee

195349742 has 16 divisors (see below), whose sum is σ = 346433760. Its totient is φ = 80834208.

The previous prime is 195349729. The next prime is 195349747. The reversal of 195349742 is 247943591.

It is a junction number, because it is equal to n+sod(n) for n = 195349693 and 195349702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195349747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240173 + ... + 240984.

It is an arithmetic number, because the mean of its divisors is an integer number (21652110).

Almost surely, 2195349742 is an apocalyptic number.

195349742 is a deficient number, since it is larger than the sum of its proper divisors (151084018).

195349742 is a wasteful number, since it uses less digits than its factorization.

195349742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481195.

The product of its digits is 272160, while the sum is 44.

The square root of 195349742 is about 13976.7572061620. The cubic root of 195349742 is about 580.2354790956.

The spelling of 195349742 in words is "one hundred ninety-five million, three hundred forty-nine thousand, seven hundred forty-two".

Divisors: 1 2 7 14 29 58 203 406 481157 962314 3368099 6736198 13953553 27907106 97674871 195349742