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23132226 = 2313714177
BaseRepresentation
bin101100000111…
…1100001000010
31121112020110010
41120033201002
521410212401
62143445350
7400422615
oct130174102
947466403
1023132226
111206a647
1278b6856
134a3c010
14310217c
15206ded6
hex160f842

23132226 has 32 divisors (see below), whose sum is σ = 50537088. Its totient is φ = 7015680.

The previous prime is 23132209. The next prime is 23132233. The reversal of 23132226 is 62223132.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3450 + ... + 7626.

It is an arithmetic number, because the mean of its divisors is an integer number (1579284).

Almost surely, 223132226 is an apocalyptic number.

23132226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23132226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25268544).

23132226 is an abundant number, since it is smaller than the sum of its proper divisors (27404862).

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

23132226 is a wasteful number, since it uses less digits than its factorization.

23132226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266.

The product of its digits is 864, while the sum is 21.

The square root of 23132226 is about 4809.5972804384. The cubic root of 23132226 is about 284.9306325483.

Adding to 23132226 its reverse (62223132), we get a palindrome (85355358).

The spelling of 23132226 in words is "twenty-three million, one hundred thirty-two thousand, two hundred twenty-six".

Divisors: 1 2 3 6 13 26 39 71 78 142 213 426 923 1846 2769 4177 5538 8354 12531 25062 54301 108602 162903 296567 325806 593134 889701 1779402 3855371 7710742 11566113 23132226