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109895690 = 2510989569
BaseRepresentation
bin1101000110011…
…10000000001010
321122210021112202
412203032000022
5211113130230
614523240202
72503045412
oct643160012
9248707482
10109895690
1157040293
1230979062
13199c9a48
1410849642
1599aba45
hex68ce00a

109895690 has 8 divisors (see below), whose sum is σ = 197812260. Its totient is φ = 43958272.

The previous prime is 109895689. The next prime is 109895707. The reversal of 109895690 is 96598901.

It can be written as a sum of positive squares in 2 ways, for example, as 109893289 + 2401 = 10483^2 + 49^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1098956902 = 24154125361152200, which contains 22 as substring.

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, 5494775 + ... + 5494794.

Almost surely, 2109895690 is an apocalyptic number.

109895690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109895690 is a deficient number, since it is larger than the sum of its proper divisors (87916570).

109895690 is a wasteful number, since it uses less digits than its factorization.

109895690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10989576.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 109895690 is about 10483.1145181191. The cubic root of 109895690 is about 478.9904853825.

The spelling of 109895690 in words is "one hundred nine million, eight hundred ninety-five thousand, six hundred ninety".

Divisors: 1 2 5 10 10989569 21979138 54947845 109895690