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193799043 = 3221533227
BaseRepresentation
bin10111000110100…
…10001110000011
3111111200000022100
423203102032003
5344103032133
631121441443
74542156534
oct1343221603
9444600270
10193799043
119a4380a9
1254aa0283
13311c59b9
141ba4a68b
1512031e13
hexb8d2383

193799043 has 6 divisors (see below), whose sum is σ = 279931964. Its totient is φ = 129199356.

The previous prime is 193799033. The next prime is 193799051. The reversal of 193799043 is 340997391.

It is not a de Polignac number, because 193799043 - 212 = 193794947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 193799043.

It is not an unprimeable number, because it can be changed into a prime (193799033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10766605 + ... + 10766622.

Almost surely, 2193799043 is an apocalyptic number.

193799043 is a deficient number, since it is larger than the sum of its proper divisors (86132921).

193799043 is a wasteful number, since it uses less digits than its factorization.

193799043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21533233 (or 21533230 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 193799043 is about 13921.1724721735. The cubic root of 193799043 is about 578.6960829066.

It can be divided in two parts, 193 and 799043, that added together give a square (799236 = 8942).

The spelling of 193799043 in words is "one hundred ninety-three million, seven hundred ninety-nine thousand, forty-three".

Divisors: 1 3 9 21533227 64599681 193799043