Search a number
-
+
206452442 = 2719776137
BaseRepresentation
bin11000100111000…
…11011011011010
3112101110212111202
430103203123122
5410322434232
632252554202
75054550110
oct1423433332
9471425452
10206452442
11a659a859
1259182962
1333a06211
141d5c1ab0
15131d1162
hexc4e36da

206452442 has 16 divisors (see below), whose sum is σ = 372546240. Its totient is φ = 83822688.

The previous prime is 206452397. The next prime is 206452447. The reversal of 206452442 is 244254602.

It is a super-2 number, since 2×2064524422 = 85245221615526728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206452447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387803 + ... + 388334.

It is an arithmetic number, because the mean of its divisors is an integer number (23284140).

Almost surely, 2206452442 is an apocalyptic number.

206452442 is a deficient number, since it is larger than the sum of its proper divisors (166093798).

206452442 is a wasteful number, since it uses less digits than its factorization.

206452442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776165.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 206452442 is about 14368.4530134597. The cubic root of 206452442 is about 591.0261201252.

The spelling of 206452442 in words is "two hundred six million, four hundred fifty-two thousand, four hundred forty-two".

Divisors: 1 2 7 14 19 38 133 266 776137 1552274 5432959 10865918 14746603 29493206 103226221 206452442