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106688450 = 25211193979
BaseRepresentation
bin1100101101111…
…10111111000010
321102202100001002
412112332333002
5204303012300
614330412002
72433560021
oct626767702
9242670032
10106688450
115524a680
122b891002
1319145c7b
14102528b8
1595765d5
hex65befc2

106688450 has 24 divisors (see below), whose sum is σ = 216481680. Its totient is φ = 38795600.

The previous prime is 106688443. The next prime is 106688479. The reversal of 106688450 is 54886601.

It is a super-2 number, since 2×1066884502 = 22764850726805000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96440 + ... + 97539.

It is an arithmetic number, because the mean of its divisors is an integer number (9020070).

Almost surely, 2106688450 is an apocalyptic number.

106688450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106688450 is an abundant number, since it is smaller than the sum of its proper divisors (109793230).

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

106688450 is a wasteful number, since it uses less digits than its factorization.

106688450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194002 (or 193997 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 106688450 is about 10329.0101171409. The cubic root of 106688450 is about 474.2847221481.

The spelling of 106688450 in words is "one hundred six million, six hundred eighty-eight thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 193979 387958 969895 1939790 2133769 4267538 4849475 9698950 10668845 21337690 53344225 106688450