Search a number
-
+
206873632 = 257923543
BaseRepresentation
bin11000101010010…
…10010000100000
3112102021021021101
430111022100200
5410424424012
632310004144
75061253060
oct1425122040
9472237241
10206873632
11a6858249
1259346654
1333b22b44
141d6913a0
1513265d57
hexc54a420

206873632 has 24 divisors (see below), whose sum is σ = 465466176. Its totient is φ = 88660032.

The previous prime is 206873627. The next prime is 206873657. The reversal of 206873632 is 236378602.

It is a junction number, because it is equal to n+sod(n) for n = 206873591 and 206873600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461548 + ... + 461995.

It is an arithmetic number, because the mean of its divisors is an integer number (19394424).

Almost surely, 2206873632 is an apocalyptic number.

It is an amenable number.

206873632 is an abundant number, since it is smaller than the sum of its proper divisors (258592544).

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

206873632 is an equidigital number, since it uses as much as digits as its factorization.

206873632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923560 (or 923552 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 206873632 is about 14383.1023079167. The cubic root of 206873632 is about 591.4277706531.

The spelling of 206873632 in words is "two hundred six million, eight hundred seventy-three thousand, six hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 923543 1847086 3694172 6464801 7388344 12929602 14776688 25859204 29553376 51718408 103436816 206873632