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107755209 = 3271168631
BaseRepresentation
bin1100110110000…
…11011011001001
321111202112100200
412123003123021
5210041131314
614405322413
72445622062
oct633033311
9244675320
10107755209
11559090a1
1230106409
131942a6a3
141044d569
1596d7709
hex66c36c9

107755209 has 12 divisors (see below), whose sum is σ = 157839552. Its totient is φ = 70824600.

The previous prime is 107755189. The next prime is 107755243. The reversal of 107755209 is 902557701.

It is not a de Polignac number, because 107755209 - 224 = 90977993 is a prime.

It is a super-2 number, since 2×1077552092 = 23222370133267362, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (107755409) 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, 83677 + ... + 84954.

It is an arithmetic number, because the mean of its divisors is an integer number (13153296).

Almost surely, 2107755209 is an apocalyptic number.

It is an amenable number.

107755209 is a deficient number, since it is larger than the sum of its proper divisors (50084343).

107755209 is a wasteful number, since it uses less digits than its factorization.

107755209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168708 (or 168705 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 107755209 is about 10380.5206516822. The cubic root of 107755209 is about 475.8602457337.

The spelling of 107755209 in words is "one hundred seven million, seven hundred fifty-five thousand, two hundred nine".

Divisors: 1 3 9 71 213 639 168631 505893 1517679 11972801 35918403 107755209