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231375606 = 237111313823
BaseRepresentation
bin11011100101010…
…00001011110110
3121010101002122220
431302220023312
5433213004411
634543103210
75506442310
oct1562501366
9533332586
10231375606
11109672a10
12655a1b06
1338c21457
1422a2c7b0
15154a5b06
hexdca82f6

231375606 has 64 divisors (see below), whose sum is σ = 581492736. Its totient is φ = 59623200.

The previous prime is 231375583. The next prime is 231375619. The reversal of 231375606 is 606573132.

231375606 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58611 + ... + 62433.

It is an arithmetic number, because the mean of its divisors is an integer number (9085824).

Almost surely, 2231375606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231375606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290746368).

231375606 is an abundant number, since it is smaller than the sum of its proper divisors (350117130).

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

231375606 is a wasteful number, since it uses less digits than its factorization.

231375606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 231375606 is about 15211.0356649375. The cubic root of 231375606 is about 613.9116238316.

The spelling of 231375606 in words is "two hundred thirty-one million, three hundred seventy-five thousand, six hundred six".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 131 154 231 262 393 462 786 917 1441 1834 2751 2882 3823 4323 5502 7646 8646 10087 11469 20174 22938 26761 30261 42053 53522 60522 80283 84106 126159 160566 252318 294371 500813 588742 883113 1001626 1502439 1766226 3004878 3505691 5508943 7011382 10517073 11017886 16526829 21034146 33053658 38562601 77125202 115687803 231375606