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231483216 = 2434822567
BaseRepresentation
bin11011100110000…
…10011101010000
3121010120120021110
431303002131100
5433224430331
634545253320
75510401116
oct1563023520
9533516243
10231483216
11109736848
1265634240
1338c5b423
1422a59ab6
15154c7946
hexdcc2750

231483216 has 20 divisors (see below), whose sum is σ = 597998432. Its totient is φ = 77161056.

The previous prime is 231483179. The next prime is 231483257. The reversal of 231483216 is 612384132.

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

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 3 ways as a sum of consecutive naturals, for example, 2411236 + ... + 2411331.

Almost surely, 2231483216 is an apocalyptic number.

It is an amenable number.

231483216 is an abundant number, since it is smaller than the sum of its proper divisors (366515216).

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

231483216 is a wasteful number, since it uses less digits than its factorization.

231483216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4822578 (or 4822572 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 231483216 is about 15214.5724882430. The cubic root of 231483216 is about 614.0067833746.

The spelling of 231483216 in words is "two hundred thirty-one million, four hundred eighty-three thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 48 4822567 9645134 14467701 19290268 28935402 38580536 57870804 77161072 115741608 231483216