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231447106 = 2112956393
BaseRepresentation
bin11011100101110…
…01101001000010
3121010111201202001
431302321221002
5433222301411
634544414214
75510160622
oct1562715102
9533451661
10231447106
11109711700
126561736a
1338c47b67
1422a4a882
15154bbdc1
hexdcb9a42

231447106 has 12 divisors (see below), whose sum is σ = 381601206. Its totient is φ = 105203120.

The previous prime is 231447103. The next prime is 231447109. The reversal of 231447106 is 601744132.

231447106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231447103) and next prime (231447109).

It can be written as a sum of positive squares in only one way, i.e., 230766481 + 680625 = 15191^2 + 825^2 .

It is not an unprimeable number, because it can be changed into a prime (231447103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 477955 + ... + 478438.

Almost surely, 2231447106 is an apocalyptic number.

231447106 is a deficient number, since it is larger than the sum of its proper divisors (150154100).

231447106 is a wasteful number, since it uses less digits than its factorization.

231447106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956417 (or 956406 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 231447106 is about 15213.3857507131. The cubic root of 231447106 is about 613.9748545832.

The spelling of 231447106 in words is "two hundred thirty-one million, four hundred forty-seven thousand, one hundred six".

Divisors: 1 2 11 22 121 242 956393 1912786 10520323 21040646 115723553 231447106