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195914745 = 32513334897
BaseRepresentation
bin10111010110101…
…10101111111001
3111122122111111200
423223112233321
5400123232440
631235044413
74566151005
oct1353265771
9448574450
10195914745
11a0652714
1255740709
13317869b0
141c03b705
15122edc30
hexbad6bf9

195914745 has 24 divisors (see below), whose sum is σ = 365708616. Its totient is φ = 96450048.

The previous prime is 195914689. The next prime is 195914791. The reversal of 195914745 is 547419591.

195914745 is a `hidden beast` number, since 1 + 95 + 91 + 474 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 725904 + 195188841 = 852^2 + 13971^2 .

It is not a de Polignac number, because 195914745 - 27 = 195914617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 195914745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166864 + ... + 168033.

It is an arithmetic number, because the mean of its divisors is an integer number (15237859).

Almost surely, 2195914745 is an apocalyptic number.

195914745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195914745 is a deficient number, since it is larger than the sum of its proper divisors (169793871).

195914745 is a wasteful number, since it uses less digits than its factorization.

195914745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334921 (or 334918 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 195914745 is about 13996.9548473945. The cubic root of 195914745 is about 580.7943386882.

It can be divided in two parts, 19591 and 4745, that added together give a square (24336 = 1562).

The spelling of 195914745 in words is "one hundred ninety-five million, nine hundred fourteen thousand, seven hundred forty-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 585 334897 1004691 1674485 3014073 4353661 5023455 13060983 15070365 21768305 39182949 65304915 195914745