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106920208 = 2417675867
BaseRepresentation
bin1100101111101…
…11100100010000
321110012002221201
412113313210100
5204332421313
614335400544
72435543503
oct627674420
9243162851
10106920208
115539880a
122b983154
13191c75c5
14102b313a
1595c00dd
hex65f7910

106920208 has 40 divisors (see below), whose sum is σ = 222655392. Its totient is φ = 49555968.

The previous prime is 106920199. The next prime is 106920211. The reversal of 106920208 is 802029601.

It is a happy number.

It is a super-2 number, since 2×1069202082 = 22863861757526528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15291 + ... + 21157.

Almost surely, 2106920208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 106920208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111327696).

106920208 is an abundant number, since it is smaller than the sum of its proper divisors (115735184).

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

106920208 is a wasteful number, since it uses less digits than its factorization.

106920208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5959 (or 5953 counting only the distinct ones).

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

The square root of 106920208 is about 10340.2228215837. Note that the first 3 decimals coincide. The cubic root of 106920208 is about 474.6279013847.

Adding to 106920208 its reverse (802029601), we get a palindrome (908949809).

The spelling of 106920208 in words is "one hundred six million, nine hundred twenty thousand, two hundred eight".

Divisors: 1 2 4 8 16 17 34 67 68 134 136 268 272 536 1072 1139 2278 4556 5867 9112 11734 18224 23468 46936 93872 99739 199478 393089 398956 786178 797912 1572356 1595824 3144712 6289424 6682513 13365026 26730052 53460104 106920208