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206450241 = 397709451
BaseRepresentation
bin11000100111000…
…10111001000001
3112101110202111020
430103202321001
5410322401431
632252540053
75054540514
oct1423427101
9471422436
10206450241
11a6599138
1259181629
1333a0520a
141d5c0d7b
15131d0696
hexc4e2e41

206450241 has 8 divisors (see below), whose sum is σ = 278105184. Its totient is φ = 136214400.

The previous prime is 206450221. The next prime is 206450281. The reversal of 206450241 is 142054602.

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

It is not a de Polignac number, because 206450241 - 26 = 206450177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206450221) 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, 354435 + ... + 355016.

It is an arithmetic number, because the mean of its divisors is an integer number (34763148).

Almost surely, 2206450241 is an apocalyptic number.

It is an amenable number.

206450241 is a deficient number, since it is larger than the sum of its proper divisors (71654943).

206450241 is an equidigital number, since it uses as much as digits as its factorization.

206450241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709551.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 206450241 is about 14368.3764218509. The cubic root of 206450241 is about 591.0240197979.

The spelling of 206450241 in words is "two hundred six million, four hundred fifty thousand, two hundred forty-one".

Divisors: 1 3 97 291 709451 2128353 68816747 206450241