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108121228 = 2237617187
BaseRepresentation
bin1100111000111…
…00110010001100
321112110010102221
412130130302030
5210134334403
614421225124
72452005145
oct634346214
9245403387
10108121228
1156039096
12302621a4
1319528177
1410506acc
15975adbd
hex671cc8c

108121228 has 12 divisors (see below), whose sum is σ = 189288792. Its totient is φ = 54038720.

The previous prime is 108121201. The next prime is 108121231. The reversal of 108121228 is 822121801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11451 + ... + 18637.

It is an arithmetic number, because the mean of its divisors is an integer number (15774066).

Almost surely, 2108121228 is an apocalyptic number.

It is an amenable number.

108121228 is a deficient number, since it is larger than the sum of its proper divisors (81167564).

108121228 is a wasteful number, since it uses less digits than its factorization.

108121228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10952 (or 10950 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 108121228 is about 10398.1357944585. The cubic root of 108121228 is about 476.3984317915.

The spelling of 108121228 in words is "one hundred eight million, one hundred twenty-one thousand, two hundred twenty-eight".

Divisors: 1 2 4 3761 7187 7522 14374 15044 28748 27030307 54060614 108121228