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108216872 = 2313527109
BaseRepresentation
bin1100111001101…
…00001000101000
321112121222122022
412130310020220
5210200414442
614423244012
72452554041
oct634641050
9245558568
10108216872
11560a3a35
12302a9608
131955c86a
141052d8c8
1597793d2
hex6734228

108216872 has 8 divisors (see below), whose sum is σ = 202906650. Its totient is φ = 54108432.

The previous prime is 108216869. The next prime is 108216881. The reversal of 108216872 is 278612801.

It can be written as a sum of positive squares in only one way, i.e., 97101316 + 11115556 = 9854^2 + 3334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6763547 + ... + 6763562.

Almost surely, 2108216872 is an apocalyptic number.

It is an amenable number.

108216872 is a deficient number, since it is larger than the sum of its proper divisors (94689778).

108216872 is a wasteful number, since it uses less digits than its factorization.

108216872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13527115 (or 13527111 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 108216872 is about 10402.7338714398. The cubic root of 108216872 is about 476.5388643521.

The spelling of 108216872 in words is "one hundred eight million, two hundred sixteen thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 13527109 27054218 54108436 108216872