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231224245532 = 22728364145523
BaseRepresentation
bin1101011101011000001…
…0011111110100011100
3211002211102012201000122
43113112002133310130
512242021401324112
6254120054014112
722463644441550
oct3272602376434
9732742181018
10231224245532
118a075070aa5
1238990647338
1318a5c2173c7
14b296d6b860
1560347c7872
hex35d609fd1c

231224245532 has 48 divisors (see below), whose sum is σ = 464816792832. Its totient is φ = 98589726720.

The previous prime is 231224245529. The next prime is 231224245537. The reversal of 231224245532 is 235542422132.

231224245532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231224245492 and 231224245501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231224245537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5056523 + ... + 5102045.

It is an arithmetic number, because the mean of its divisors is an integer number (9683683184).

Almost surely, 2231224245532 is an apocalyptic number.

It is an amenable number.

231224245532 is an abundant number, since it is smaller than the sum of its proper divisors (233592547300).

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

231224245532 is a wasteful number, since it uses less digits than its factorization.

231224245532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46458 (or 46456 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

Adding to 231224245532 its reverse (235542422132), we get a palindrome (466766667664).

The spelling of 231224245532 in words is "two hundred thirty-one billion, two hundred twenty-four million, two hundred forty-five thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 28 283 566 641 1132 1282 1981 2564 3962 4487 7924 8974 17948 45523 91046 181403 182092 318661 362806 637322 725612 1269821 1274644 2539642 5079284 12883009 25766018 29180243 51532036 58360486 90181063 116720972 180362126 204261701 360724252 408523402 817046804 8258008769 16516017538 33032035076 57806061383 115612122766 231224245532