Search a number
-
+
208026040 = 2355200651
BaseRepresentation
bin11000110011000…
…11100110111000
3112111102211002011
430121203212320
5411223313130
632350415304
75104122625
oct1431434670
9474384064
10208026040
11a7475052
1259801534
1334137541
141d8b134c
15133e252a
hexc6639b8

208026040 has 16 divisors (see below), whose sum is σ = 468058680. Its totient is φ = 83210400.

The previous prime is 208026037. The next prime is 208026073. The reversal of 208026040 is 40620802.

208026040 is digitally balanced in base 2, 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, 2600286 + ... + 2600365.

Almost surely, 2208026040 is an apocalyptic number.

208026040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208026040 is an abundant number, since it is smaller than the sum of its proper divisors (260032640).

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

208026040 is a wasteful number, since it uses less digits than its factorization.

208026040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200662 (or 5200658 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 208026040 is about 14423.1078481720. The cubic root of 208026040 is about 592.5239380977.

Adding to 208026040 its reverse (40620802), we get a palindrome (248646842).

The spelling of 208026040 in words is "two hundred eight million, twenty-six thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 5200651 10401302 20802604 26003255 41605208 52006510 104013020 208026040