Search a number
-
+
208923320 = 2355223083
BaseRepresentation
bin11000111001111…
…10101010111000
3112120010101220202
430130332222320
5411441021240
632421541332
75114550614
oct1434765270
9476111822
10208923320
11a7a28201
1259b74848
133438ca88
141da66344
151351d315
hexc73eab8

208923320 has 16 divisors (see below), whose sum is σ = 470077560. Its totient is φ = 83569312.

The previous prime is 208923313. The next prime is 208923343. The reversal of 208923320 is 23329802.

208923320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2611502 + ... + 2611581.

Almost surely, 2208923320 is an apocalyptic number.

208923320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208923320 is an abundant number, since it is smaller than the sum of its proper divisors (261154240).

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

208923320 is a wasteful number, since it uses less digits than its factorization.

208923320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5223094 (or 5223090 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 208923320 is about 14454.1800182508. The cubic root of 208923320 is about 593.3746285557.

The spelling of 208923320 in words is "two hundred eight million, nine hundred twenty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5223083 10446166 20892332 26115415 41784664 52230830 104461660 208923320