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109896849 = 3219336317
BaseRepresentation
bin1101000110011…
…10010010010001
321122210100010200
412203032102101
5211113144344
614523245413
72503051656
oct643162221
9248710120
10109896849
1157041147
1230979869
13199ca42a
1410849c2d
1599ac069
hex68ce491

109896849 has 12 divisors (see below), whose sum is σ = 158847156. Its totient is φ = 73215072.

The previous prime is 109896847. The next prime is 109896877. The reversal of 109896849 is 948698901.

It can be written as a sum of positive squares in 2 ways, for example, as 67125249 + 42771600 = 8193^2 + 6540^2 .

It is not a de Polignac number, because 109896849 - 21 = 109896847 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 109896795 and 109896804.

It is not an unprimeable number, because it can be changed into a prime (109896841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14239 + ... + 20555.

It is an arithmetic number, because the mean of its divisors is an integer number (13237263).

Almost surely, 2109896849 is an apocalyptic number.

It is an amenable number.

109896849 is a deficient number, since it is larger than the sum of its proper divisors (48950307).

109896849 is a wasteful number, since it uses less digits than its factorization.

109896849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8256 (or 8253 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 109896849 is about 10483.1697973466. The cubic root of 109896849 is about 478.9921692460.

The spelling of 109896849 in words is "one hundred nine million, eight hundred ninety-six thousand, eight hundred forty-nine".

Divisors: 1 3 9 1933 5799 6317 17397 18951 56853 12210761 36632283 109896849