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108213772 = 221711314083
BaseRepresentation
bin1100111001100…
…11011000001100
321112121211101111
412130303120030
5210200320042
614423221404
72452542022
oct634633014
9245554344
10108213772
11560a1677
12302a7864
131955b324
141052c712
159778517
hex673360c

108213772 has 24 divisors (see below), whose sum is σ = 202302576. Its totient is φ = 50469888.

The previous prime is 108213767. The next prime is 108213793. The reversal of 108213772 is 277312801.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 643 + ... + 14725.

It is an arithmetic number, because the mean of its divisors is an integer number (8429274).

Almost surely, 2108213772 is an apocalyptic number.

It is an amenable number.

108213772 is a deficient number, since it is larger than the sum of its proper divisors (94088804).

108213772 is a wasteful number, since it uses less digits than its factorization.

108213772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14217 (or 14215 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 108213772 is about 10402.5848710789. The cubic root of 108213772 is about 476.5343139693.

The spelling of 108213772 in words is "one hundred eight million, two hundred thirteen thousand, seven hundred seventy-two".

Divisors: 1 2 4 17 34 68 113 226 452 1921 3842 7684 14083 28166 56332 239411 478822 957644 1591379 3182758 6365516 27053443 54106886 108213772