Search a number
-
+
206131342 = 2195424509
BaseRepresentation
bin11000100100101…
…01000010001110
3112100212120001011
430102111002032
5410232200332
632242035434
75052042004
oct1422250216
9470776034
10206131342
11a63a058a
1259048b7a
1333923011
141d53aa74
151316ae47
hexc49508e

206131342 has 8 divisors (see below), whose sum is σ = 325470600. Its totient is φ = 97641144.

The previous prime is 206131337. The next prime is 206131351. The reversal of 206131342 is 243131602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2712217 + ... + 2712292.

It is an arithmetic number, because the mean of its divisors is an integer number (40683825).

Almost surely, 2206131342 is an apocalyptic number.

206131342 is a deficient number, since it is larger than the sum of its proper divisors (119339258).

206131342 is a wasteful number, since it uses less digits than its factorization.

206131342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5424530.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 206131342 is about 14357.2748807007. The cubic root of 206131342 is about 590.7195491795.

Adding to 206131342 its reverse (243131602), we get a palindrome (449262944).

The spelling of 206131342 in words is "two hundred six million, one hundred thirty-one thousand, three hundred forty-two".

Divisors: 1 2 19 38 5424509 10849018 103065671 206131342