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243161006 = 21161181193
BaseRepresentation
bin11100111111001…
…01011110101110
3121221112212012012
432133211132232
5444222123011
640043441222
76011556134
oct1637453656
9557485165
10243161006
11115292510
1269526212
133b4b986a
1424419754
1516532a8b
hexe7e57ae

243161006 has 16 divisors (see below), whose sum is σ = 404425008. Its totient is φ = 108715200.

The previous prime is 243160949. The next prime is 243161053. The reversal of 243161006 is 600161342.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 89255 + ... + 91938.

It is an arithmetic number, because the mean of its divisors is an integer number (25276563).

Almost surely, 2243161006 is an apocalyptic number.

243161006 is a deficient number, since it is larger than the sum of its proper divisors (161264002).

243161006 is a wasteful number, since it uses less digits than its factorization.

243161006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181267.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 243161006 is about 15593.6206828305. The cubic root of 243161006 is about 624.1629378770.

The spelling of 243161006 in words is "two hundred forty-three million, one hundred sixty-one thousand, six".

Divisors: 1 2 11 22 61 122 671 1342 181193 362386 1993123 3986246 11052773 22105546 121580503 243161006