Search a number
-
+
206442612 = 223247122011
BaseRepresentation
bin11000100111000…
…01000001110100
3112101110101000200
430103201001310
5410322130422
632252440500
75054506335
oct1423410164
9471411020
10206442612
11a6593432
1259179130
1333a018bc
141d5bc28c
15131cd2ac
hexc4e1074

206442612 has 36 divisors (see below), whose sum is σ = 532948416. Its totient is φ = 67349520.

The previous prime is 206442589. The next prime is 206442631. The reversal of 206442612 is 216244602.

206442612 is a `hidden beast` number, since 2 + 0 + 6 + 4 + 42 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 59314 + ... + 62697.

Almost surely, 2206442612 is an apocalyptic number.

It is an amenable number.

206442612 is an abundant number, since it is smaller than the sum of its proper divisors (326505804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206442612 is a wasteful number, since it uses less digits than its factorization.

206442612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122068 (or 122063 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 206442612 is about 14368.1109405516. The cubic root of 206442612 is about 591.0167396291.

The spelling of 206442612 in words is "two hundred six million, four hundred forty-two thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 47 94 141 188 282 423 564 846 1692 122011 244022 366033 488044 732066 1098099 1464132 2196198 4392396 5734517 11469034 17203551 22938068 34407102 51610653 68814204 103221306 206442612