Search a number
-
+
206235042 = 23132644039
BaseRepresentation
bin11000100101011…
…10010110100010
3112101001211021220
430102232112202
5410244010132
632244155510
75052653226
oct1422562642
9471054256
10206235042
11a6461492
1259098b96
133395b290
141d566786
151318ba2c
hexc4ae5a2

206235042 has 16 divisors (see below), whose sum is σ = 444198720. Its totient is φ = 63456912.

The previous prime is 206235023. The next prime is 206235059. The reversal of 206235042 is 240532602.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1321942 + ... + 1322097.

It is an arithmetic number, because the mean of its divisors is an integer number (27762420).

Almost surely, 2206235042 is an apocalyptic number.

206235042 is an abundant number, since it is smaller than the sum of its proper divisors (237963678).

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

206235042 is a wasteful number, since it uses less digits than its factorization.

206235042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644057.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 206235042 is about 14360.8858361871. The cubic root of 206235042 is about 590.8185917723.

Adding to 206235042 its reverse (240532602), we get a palindrome (446767644).

The spelling of 206235042 in words is "two hundred six million, two hundred thirty-five thousand, forty-two".

Divisors: 1 2 3 6 13 26 39 78 2644039 5288078 7932117 15864234 34372507 68745014 103117521 206235042