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231214452 = 223710127253
BaseRepresentation
bin11011100100000…
…00110101110100
3121010001220121020
431302000311310
5433142330302
634535421140
75505201420
oct1562006564
9533056536
10231214452
11109572927
12655247b0
1338b95cb1
14229c9b80
1515472ebc
hexdc80d74

231214452 has 48 divisors (see below), whose sum is σ = 622699392. Its totient is φ = 65404800.

The previous prime is 231214429. The next prime is 231214471. The reversal of 231214452 is 254412132.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 5143 + ... + 22110.

It is an arithmetic number, because the mean of its divisors is an integer number (12972904).

Almost surely, 2231214452 is an apocalyptic number.

It is an amenable number.

231214452 is an abundant number, since it is smaller than the sum of its proper divisors (391484940).

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

231214452 is a wasteful number, since it uses less digits than its factorization.

231214452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27368 (or 27366 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 231214452 is about 15205.7374697842. The cubic root of 231214452 is about 613.7690601249.

Adding to 231214452 its reverse (254412132), we get a palindrome (485626584).

The spelling of 231214452 in words is "two hundred thirty-one million, two hundred fourteen thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 101 202 303 404 606 707 1212 1414 2121 2828 4242 8484 27253 54506 81759 109012 163518 190771 327036 381542 572313 763084 1144626 2289252 2752553 5505106 8257659 11010212 16515318 19267871 33030636 38535742 57803613 77071484 115607226 231214452