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195742053 = 32132128693
BaseRepresentation
bin10111010101011…
…00100101100101
3111122022201121200
423222230211211
5400102221203
631231233113
74564531353
oct1352544545
9448281550
10195742053
11a05449a1
1255678799
1331726200
141bdd47d3
15122b79a3
hexbaac965

195742053 has 18 divisors (see below), whose sum is σ = 306163026. Its totient is φ = 120455712.

The previous prime is 195742051. The next prime is 195742081. The reversal of 195742053 is 350247591.

195742053 is a `hidden beast` number, since 19 + 574 + 20 + 53 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 20629764 + 175112289 = 4542^2 + 13233^2 .

It is not a de Polignac number, because 195742053 - 21 = 195742051 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 195741999 and 195742017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195742051) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 62826 + ... + 65867.

It is an arithmetic number, because the mean of its divisors is an integer number (17009057).

Almost surely, 2195742053 is an apocalyptic number.

195742053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

195742053 is a deficient number, since it is larger than the sum of its proper divisors (110420973).

195742053 is a wasteful number, since it uses less digits than its factorization.

195742053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128725 (or 128709 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 195742053 is about 13990.7845741402. The cubic root of 195742053 is about 580.6236385532.

The spelling of 195742053 in words is "one hundred ninety-five million, seven hundred forty-two thousand, fifty-three".

Divisors: 1 3 9 13 39 117 169 507 1521 128693 386079 1158237 1673009 5019027 15057081 21749117 65247351 195742053