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108197812 = 2231872563
BaseRepresentation
bin1100111001011…
…11011110110100
321112121000111101
412130233132310
5210144312222
614423015444
72452444342
oct634573664
9245530441
10108197812
1156090688
123029a584
1319553c98
1410526992
159773927
hex672f7b4

108197812 has 12 divisors (see below), whose sum is σ = 195454336. Its totient is φ = 52353720.

The previous prime is 108197801. The next prime is 108197813. The reversal of 108197812 is 218791801.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108197813) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 436158 + ... + 436405.

Almost surely, 2108197812 is an apocalyptic number.

It is an amenable number.

108197812 is a deficient number, since it is larger than the sum of its proper divisors (87256524).

108197812 is a wasteful number, since it uses less digits than its factorization.

108197812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872598 (or 872596 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 37.

The square root of 108197812 is about 10401.8177257631. The cubic root of 108197812 is about 476.5108854616.

The spelling of 108197812 in words is "one hundred eight million, one hundred ninety-seven thousand, eight hundred twelve".

Divisors: 1 2 4 31 62 124 872563 1745126 3490252 27049453 54098906 108197812