Search a number
-
+
190206208 = 28742993
BaseRepresentation
bin10110101011001…
…01000100000000
3111020220110212101
423111211010000
5342143044313
630512440144
74466504023
oct1325450400
9436813771
10190206208
1198403815
1253849054
133053856a
141b3931ba
1511a725dd
hexb565100

190206208 has 18 divisors (see below), whose sum is σ = 379669934. Its totient is φ = 95102976.

The previous prime is 190206193. The next prime is 190206221. The reversal of 190206208 is 802602091.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 95883264 + 94322944 = 9792^2 + 9712^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371241 + ... + 371752.

Almost surely, 2190206208 is an apocalyptic number.

It is an amenable number.

190206208 is a deficient number, since it is larger than the sum of its proper divisors (189463726).

190206208 is an frugal number, since it uses more digits than its factorization.

190206208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743009 (or 742995 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 190206208 is about 13791.5266740126. The cubic root of 190206208 is about 575.0976096422.

Adding to 190206208 its reverse (802602091), we get a palindrome (992808299).

The spelling of 190206208 in words is "one hundred ninety million, two hundred six thousand, two hundred eight".

Divisors: 1 2 4 8 16 32 64 128 256 742993 1485986 2971972 5943944 11887888 23775776 47551552 95103104 190206208