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253043206 = 21347207073
BaseRepresentation
bin11110001010100…
…10001000000110
3122122010221000121
433011102020012
51004234340311
641035332154
76161555203
oct1705221006
9578127017
10253043206
1111a922119
12708b105a
1340569910
142586ccaa
1517335b71
hexf152206

253043206 has 16 divisors (see below), whose sum is σ = 417461184. Its totient is φ = 114303744.

The previous prime is 253043191. The next prime is 253043213. The reversal of 253043206 is 602340352.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102315 + ... + 104758.

It is an arithmetic number, because the mean of its divisors is an integer number (26091324).

Almost surely, 2253043206 is an apocalyptic number.

253043206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

253043206 is a deficient number, since it is larger than the sum of its proper divisors (164417978).

253043206 is a wasteful number, since it uses less digits than its factorization.

253043206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207135.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 253043206 is about 15907.3318315801. The cubic root of 253043206 is about 632.5063556049.

Adding to 253043206 its reverse (602340352), we get a palindrome (855383558).

The spelling of 253043206 in words is "two hundred fifty-three million, forty-three thousand, two hundred six".

Divisors: 1 2 13 26 47 94 611 1222 207073 414146 2691949 5383898 9732431 19464862 126521603 253043206