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253940106 = 2376046193
BaseRepresentation
bin11110010001011…
…01000110001010
3122200211111100010
433020231012022
51010002040411
641110452350
76202312110
oct1710550612
9580744303
10253940106
11120384a62
12710640b6
13407c1c24
1425a23ab0
15174617a6
hexf22d18a

253940106 has 16 divisors (see below), whose sum is σ = 580434624. Its totient is φ = 72554304.

The previous prime is 253940087. The next prime is 253940131. The reversal of 253940106 is 601049352.

It is a Curzon number.

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, 3023055 + ... + 3023138.

It is an arithmetic number, because the mean of its divisors is an integer number (36277164).

Almost surely, 2253940106 is an apocalyptic number.

253940106 is an abundant number, since it is smaller than the sum of its proper divisors (326494518).

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

253940106 is a wasteful number, since it uses less digits than its factorization.

253940106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6046205.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 253940106 is about 15935.4982978255. The cubic root of 253940106 is about 633.2527709776.

Adding to 253940106 its reverse (601049352), we get a palindrome (854989458).

The spelling of 253940106 in words is "two hundred fifty-three million, nine hundred forty thousand, one hundred six".

Divisors: 1 2 3 6 7 14 21 42 6046193 12092386 18138579 36277158 42323351 84646702 126970053 253940106